GEFRAN RADIUS

**Alarm Code 1:**

- **Bit 1: OVERVOLTAGE DC**
- Description: DC bus voltage too high. Over 1020 V for more than 10 seconds.
- Event Type: Type 2 (transition to alarm state).
- Reset Condition: VDClink < 965V; unlimited reset number.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the drive returns to the starting state.

**Alarm Code 2:**

- **Bit 1: PRECHARGE FEEDBACK LOSS**
- Description: Loss of precharge feedback.
- Event Type: Type 2 (transition to alarm state).
- Reset Limit: Limited daily resets without turning off the drive.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

**Photovoltaic Alarms:**

- **Bit 1: PRECHARGE CONTACTOR NOT CLOSED**
- Intervention: Check the status of the precharge contactor and its auxiliary contact (both must be closed). Check the status of the digital output DO2 and the digital input DI3 (both must be high).

**Application Alarm:**

- **Bits 1-32: (SPARE ALARM)**
- Description: Reserved for future use or application-specific alarms.

- **Bit 2: UNDERVOLTAGE**
- Description: DC bus voltage too low.
- Event Type: Type 2 (transition to alarm state).
- Reset Condition: VDClink > 420V; unlimited reset number.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the drive returns to the starting state.

- **Bit 3: GROUND FAULT**
- Description: Short circuit to ground.
- Event Type: Type 2 (transition to alarm state).
- Instantaneous Reset Limit: Limited (without returning to operational state).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the drive returns to the starting state.

- **Bit 4: OVERCURRENT**
- Description: Likely short circuit between phases or phase to ground on the input side of the inverter.
- Event Type: Type 2 (transition to alarm state).
- Instantaneous Reset Limit: Limited (without returning to operational state).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the drive returns to the starting state.

- **Bits 6-8: Not Used**

- **Bit 9: UNDERVOLTAGE AC**
- Description: AC side voltage too low.
- Event Type: Type 2 (transition to alarm state only if in operational or init operational state); alarm reset if the warning signal disappears.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm exits (returns to the starting state).

- **Bit 10: OVERVOLTAGE AC**
- Description: AC side voltage too high.
- Event Type: Type 2; alarm reset after 5 seconds.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm exits (returns to the starting state).

- **Bit 11: HEATSINK OT**
- Description: Heatsink temperature too high.
- Event Type: Type 2; alarm reset if the alarm condition falls below: Temp < 65°C.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm exits.

- **Bit 12: HEATSINK S OT**
- Description: Heatsink temperature too high or too low compared to the threshold.
- Event Type: Type 2; alarm reset if the alarm condition falls below: Temp < 65°C.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm exits.

- **Bit 13: INTAKEAIR OT**
- Description: Intake air temperature too high.
- Event Type: Type 2; alarm reset if the warning signal disappears.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm exits.

- **Bit 14: DRIVE OVERLOAD**
- Description: Inverter overload.
- Event Type: Type 2; alarm reset if the warning signal disappears.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm exits.

- **Bits 15-16: Not Used**

Here is the continuation of the alarm code descriptions translation:

**Alarm Code 1 Continued:**

- **Bit 17: OPTION EX P0**
- Description: Communication error with the expansion card in slot 1.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence) – (If possible: report as soon as it occurs).

- **Bit 18: OPTION EXP1**
- Description: Communication error with the expansion card in slot 3.
- Event Type: Type 2 (transition to alarm state).
- Instantaneous Reset Limit: Limited (without returning to operational state).
- Signal Rule: Type 1 (after 15 minutes of alarm persistence) – better when it becomes an alarm resettable only by the user.
- Alarm Bit Removal: When the drive returns to the starting state.

- **Bits 19-20: Not Used**

- **Bit 21: EMERGENCY**
- Description: Emergency stop and alarm disablement.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence) – (If possible: report as soon as it happens).

- **Bit 22: POWER DOWN**
- Description: Inverter enabled but no voltage at the power section.
- Event Type: Type 2 (transition to alarm state).
- Instantaneous Reset Limit: Limited (without returning to operational state). Test on the network OK before ordering a reset.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence) – (If possible: report as soon as it becomes an alarm resettable only by the user).

- **Bits 23-32: Not Used**

**Alarm Code 2:**

- **Bit 1: CONF PRECHARGE**
- Description: Loss of precharge feedback.
- Event Type: Type 2 (transition to alarm state).
- Reset Limit: Limited daily resets without powering down the drive.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 2: CONFIRMATION OF**
- Description: Loss of interface feedback.
- Event Type: Type 2 (transition to alarm state).
- Reset Limit: Limited daily resets without powering down the drive.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence) – (If possible: report as soon as it becomes an alarm resettable only by the user).

**Significance of “Application Alarm” Bits:**

- **Bits 1-32: (SPARE ALARM)**
- Description: Reserved for future use or application-specific alarms.

**Photovoltaic Alarms:**

- **Bit 1: PRECHARGE CONTACTOR NOT CLOSED**
- Action: Check the status of the precharge contactor and its auxiliary contact (both must be closed). Check the status of digital output DO2 and digital input DI3 (both must be high).

- **Bit 2: PRECHARGE CONTACTOR NOT OPENED**
- Action: Check the status of the precharge contactor and its auxiliary contact (both must be open). Check the status of digital output DO2 and digital input DI3 (both must be low).

**Alarm Code 2 Continued:**

- **Bit 3: TERM TRAFO/IND**
- Description: Transformer or inductance thermal limit reached.
- Event Type: Type 2 (transition to alarm state), reset after 10 seconds.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm condition ceases.

- **Bit 4: SURGE ARRESTER OPERATION**
- Description: Surge arrester intervention.
- Event Type: Type 3 requires user intervention (re-closure of disconnectors and cartridge replacement).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm condition ceases.

- **Bit 5: R TO EARTH**
- Description: Insulation monitor intervention.
- Event Type: Depends on the programming; see section 11.3 on Insulation Monitoring.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm condition ceases.

- **Bit 6: STRING BOX**
- Description: Alarm from one of the connected String boxes.
- Event Type: Type 1 reset after 1 second.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm condition ceases.

- **Bit 7: EXTERNAL FAN**
- Description: External fan thermal alarm or incorrect phase sequence.
- Event Type: Type 2 (transition to alarm state), reset after 5 seconds.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).
- Alarm Bit Removal: When the alarm condition ceases.

- **Bit 8: EXCESSIVE VDC**
- Description: DC link voltage above the maximum threshold.
- Event Type: Type 3. If the DC voltage exceeds 1020 V for more than 10 seconds, the drive is disabled and after 5 seconds disconnected from the DC.
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 9: WATCHDOG**
- Description: Microcontroller watchdog protection.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 10: TRAP ERROR**
- Description: Microcontroller trap protection.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 11: SYSTEM ERROR**
- Description: Operating system protection.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 12: USER ERROR**
- Description: Software protection.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 13: PARAM ERROR**
- Description: Error during the enabling of the parameter database saved in the flash memory.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 14: LOAD DEFAULT**
- Description: Invalid parameters loaded in the inverter.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 15: PLC CFG ERROR**
- Description: The application present in the inverter is not valid.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 16: LOAD PAR DEF PLC**
- Description: Invalid parameters loaded in the application.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 17: KEY FAILED**
- Description: Incorrect enable key.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bit 18: Not Used**


- **Bit 19: OPT CFG CHANGE**
- Description: Change the configuration of the expansion card.
- Event Type: Type 3 (transition to alarm state, reset only by the user).
- Signal Rule: Rule 1 (after 15 minutes of alarm persistence).

- **Bits 20-32: Not Used**

**Significance of “Application Alarm” Bits:**

- **Bits 1-32: (SPARE ALARM)**
- Description: Reserved for future use or application-specific alarms.

**Photovoltaic Alarms:**

- **Bit 5: ALARM STATUS**
- Action: Verify the type of alarm in the parameters of alarm code 1 and alarm code 2.

- **Bit 6: GRID LOSS SIGNAL**
- Action: Verify the grid voltage, the interface protection device, and the status of the inverter's digital input DI4 on the expansion card.

- **Bit 7: DISABLE STATUS SIGNAL**
- Action: Indicates that the key switch on the front door is in the OFF position.

- **Bit 8: EXTERNAL FAN THERMAL**
- Action: Check the thermal status of the external fan (only for sizes above 230kW) and the status of the inverter's input DI6.

- **Bit 9: INCORRECT PHASE SEQUENCE OF EXTERNAL FAN**
- Action: Check the correct air flow of the inverter ventilation. Verify the phase sequence of the external fan. Check the status of the inverter's digital input DI5.

- **Bit 10: RAPID SHUTDOWN ALARM**
- Action: Indicates that the emergency stop button has been pressed.

- **Bit 11: MAXIMUM TEMPERATURE THERMOSTAT**
- Action: Signals the intervention of the cabinet's maximum temperature thermostat.

- **Bit 12: PHASE VOLTAGE READING FUSE BLOWN**
- Action: Check the status of the fuses for the phase voltage reading protection. Ensure that parameters PAR 256, 258, 260 display the correct value of the phase voltage on the inverter side.

- **Bit 13: R TO EARTH**
- Action: Verify the status of the + and - poles to earth.

**Photovoltaic Alarms:**

- **Bit 14: DRIVE OVERLOAD**
- Action: Overload condition in the inverter. Check for excessive load and verify proper operation.

- **Bit 15: (Not used)**

- **Bit 16: (Not used)**

- **Bit 17: OPTION EXPANSION P0 ERROR**
- Action: Communication error with the expansion card in slot P0. Check connections and card status.

- **Bit 18: OPTION EXPANSION P1 ERROR**
- Action: Communication error with the expansion card in slot P1. Check connections and card status.

- **Bit 19-20: (Not used)**

- **Bit 21: EMERGENCY STOP**
- Action: Emergency stop has been activated. Check for operator intervention and system status.

- **Bit 22: POWER SECTION FAULT**
- Action: Power section is not receiving voltage. Check the power supply and connections.

- **Bit 23-32: (Not used)**

**Significance of “Application Alarm” Bits:**

- **Bits 1-32: (SPARE ALARM)**
- Description: Reserved for future use or application-specific alarms. Check the application manual for details.

Models: RADIUS
10K-AE-TL-1
10K-AE-TL-2
12K-AE-TL-1
12K-AE-TL-2
15K-AE-TL-2
18K-AE-TL-2
20K-AE-TL-2
20K-AE-TL-3
10K-EE-TL-1
15K-EE-TL-1
20K-EE-TL-1
APV55K-1 APV55K-T-E
APV100K-T APV100K-T-E
APV65K-TL APV65K-TL-E APV65K-TL-RP APV65K-TL-SA
APV110k-TL APV110k-TL-E APV110k-TL-RP APV110k-TL-SA
APV250k-TL APV270k-TL APV330k-TL-M
APV250k-TL-E APV270k-TL-E APV330k-TL-M-E
APV250k-TL-M-RP APV270k-TL-M-RP APV330k-TL-M-RP
APV250k-TL-M-SA APV270k-TL-M-SA APV330k-TL-M-SA