Description: 1st tandem PF-703 dehumidification heater /1 (HTR1) temperature rise abnormality. The temperature sensor /5 (TEMS/5) detects the heater temperature lower than 40°C a specified period of time after the heater is turned ON.
Causes: • Upper tray fan heater (HT-505) • AC drive board /2 (ACDB/2: HT-505) • PF drive board (PFUDB: PF-703)
Remedy: 1. Check the connection between ACDB/2 and the noise filter of PF-703. 2. Check the connector connection and the wiring between ACDB /2 and the fan heater, and repair it if any abnormality. 3. Check the connector connection and the wiring between PFUDB and the fan heater, and repair it if any abnormality. 4. Check the connector connection and the wiring between PFUDB and ACDB /2, and repair it if any abnormality. 5. Check the temperature and the installation of the fan heater, and repair it if any abnormality. 6. Replace the fan heater. 7. Replace ACDB/2. 8. Replace PFUDB.
Code: C-0641
Description: 1st tandem PF-703 dehumidification heater /2 (HTR2) temperature rise abnormality. The temperature sensor /6 (TEMS/6) detects the heater temperature lower than 40°C a specified period of time after the heater is turned ON.
Causes: • Middle tray fan heater (HT-505) • AC drive board /2 (ACDB/2: HT-505) • PF drive board (PFUDB: PF-703)
Remedy: 1. Check the connection between ACDB/2 and the noise filter of PF-703. 2. Check the connector connection and the wiring between ACDB /2 and the fan heater, and repair it if any abnormality. 3. Check the connector connection and the wiring between PFUDB and the fan heater, and repair it if any abnormality. 4. Check the connector connection and the wiring between PFUDB and ACDB /2, and repair it if any abnormality. 5. Check the temperature and the installation of the fan heater, and repair it if any abnormality. 6. Replace the fan heater. 7. Replace ACDB/2. 8. Replace PFUDB.
Code: C-0642
Description: 1st tandem PF-703 dehumidification heater /3 (HTR3) temperature rise abnormality. The temperature sensor /7 (TEMS/7) detects the heater temperature lower than 40°C a specified period of time after the heater is turned ON.
Causes: • Lower tray fan heater (HT-505) • AC drive board /2 (ACDB/2: HT-505) • PF drive board (PFUDB: PF-703)
Remedy: 1. Check the connection between ACDB/2 and the noise filter of PF-703. 2. Check the connector connection and the wiring between ACDB /2 and the fan heater, and repair it if any abnormality. 3. Check the connector connection and the wiring between PFUDB and the fan heater, and repair it if any abnormality. 4. Check the connector connection and the wiring between PFUDB and ACDB /2, and repair it if any abnormality. 5. Check the temperature and the installation of the fan heater, and repair it if any abnormality. 6. Replace the fan heater. 7. Replace ACDB/2. 8. Replace PFUDB.
Code: C-0651
Description: 2nd tandem PF-703 dehumidification heater /1 (HTR1) high temperature hardware abnormality. After turned ON, the temperature sensor /5 (TEMS/5) detects a heater abnormality signal.
Causes: • Upper tray fan heater (HT-505) • AC drive board /2 (ACDB/2: HT-505) • PF drive board (PFUDB: PF-703)
Remedy: 1. Check the connector connection and the wiring between PFUDB and the fan heater, and repair it if any abnormality. 2. Check the connector connection and the wiring between PFUDB and ACDB /2, and repair it if any abnormality. 3. Check the temperature and the installation of the fan heater, and repair it if any abnormality. 4. Replace the fan heater. 5. Replace ACDB/2. 6. Replace PFUDB.
Code: C-0652
Description: 2nd tandem PF-703 dehumidification heater /2 (HTR2) high temperature hardware abnormality. After turned ON, the temperature sensor /6 (TEMS/6) detects a heater abnormality signal.
Causes: • Middle tray fan heater (HT-505) • AC drive board /2 (ACDB/2: HT-505) • PF drive board (PFUDB: PF-703)
Remedy: 1. Check the connector connection and the wiring between PFUDB and the fan heater, and repair it if any abnormality. 2. Check the connector connection and the wiring between PFUDB and ACDB /2, and repair it if any abnormality. 3. Check the temperature and the installation of the fan heater, and repair it if any abnormality. 4. Replace the fan heater. 5. Replace ACDB/2. 6. Replace PFUDB.
Code: C-0653
Description: 2nd tandem PF-703 dehumidification heater /3 (HTR3) high temperature hardware abnormality. After turned ON, the temperature sensor /7 (TEMS/7) detects a heater abnormality signal.
Causes: • Lower tray fan heater (HT-505) • AC drive board /2 (ACDB/2: HT-505) • PF drive board (PFUDB: PF-703)
Remedy: 1. Check the connector connection and the wiring between PFUDB and the fan heater, and repair it if any abnormality. 2. Check the connector connection and the wiring between PFUDB and ACDB /2, and repair it if any abnormality. 3. Check the temperature and the installation of the fan heater, and repair it if any abnormality. 4. Replace the fan heater. 5. Replace ACDB/2. 6. Replace PFUDB.
Code: C-0654
Description: 2nd tandem PF-703 dehumidification heater /1 (HTR1) high temperature hardware abnormality. After turned ON, the temperature sensor /5 (TEMS/5) detects the heater temperature exceeding 105°C.
Causes: • Upper tray fan heater (HT-505) • AC drive board /2 (ACDB/2: HT-505) • PF drive board (PFUDB: PF-703)
Remedy: 1. Check the connector connection and the wiring between PFUDB and the fan heater, and repair it if any abnormality. 2. Check the connector connection and the wiring between PFUDB and ACDB /2, and repair it if any abnormality. 3. Check the temperature and the installation of the fan heater, and repair it if any abnormality. 4. Replace the fan heater. 5. Replace ACDB/2. 6. Replace PFUDB.
Code: C-0655
Description: 2nd tandem PF-703 dehumidification heater /2 (HTR2) high temperature software abnormality. After turned ON, the temperature sensor /6 (TEMS/6) detects the heater temperature exceeding 105°C.
Causes: • Middle tray fan heater (HT-505) • AC drive board /2 (ACDB/2: HT-505) • PF drive board (PFUDB: PF-703)
Remedy: 1. Check the connector connection and the wiring between PFUDB and the fan heater, and repair it if any abnormality. 2. Check the connector connection and the wiring between PFUDB and ACDB /2, and repair it if any abnormality. 3. Check the temperature and the installation of the fan heater, and repair it if any abnormality. 4. Replace the fan heater. 5. Replace ACDB/2. 6. Replace PFUDB.