Description: PI-PFU (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-0673
Description: PI-PFU (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-0674
Description: PI-PFU (PF-703) dehumidification heater /1 (HTR) high temperature software 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-0675
Description: PI-PFU (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.
Code: C-0676
Description: PI-PFU (PF-703) dehumidification heater /3 (HTR3) high temperature software abnormality. After turned ON, the temperature sensor /7 (TEMS/7) detects the heater temperature exceeding 105°C.
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-0677
Description: PI-PFU (PF-703) dehumidification heater /1 (HTR1) low temperature software abnormality. The temperature sensor /5 (TEMS/5) detects the heater temperature lower than 0°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-0678
Description: PI-PFU (PF-703) dehumidification heater /2 (HTR2) low temperature software abnormality. The temperature sensor /6 (TEMS/6) detects the heater temperature lower than 0°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-0679
Description: PI-PFU (PF-703) dehumidification heater /3 (HTR3) low temperature software abnormality. The temperature sensor /7 (TEMS/7) detects the heater temperature lower than 0°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.