Brand: HITACHI
Category: Refrigerator
Document Type: Parts/Service
Language: EN
Brand: HITACHI
Category: Refrigerator
Document Type: Parts/Service
Language: EN
Uploaded: Nov. 21, 2025, 7:48 p.m.
Manual Publish Date: 2010-02-01
This is a service manual and does not contain warranty information.
This manual provides detailed information for servicing the HITACHI R-W660ERU9 refrigerator. It covers specifications, main parts, circuit diagrams, error troubleshooting, and a comprehensive parts catalog for both GS and GBK models. Key operational aspects include temperature control for fresh food and freezer compartments, defrosting systems, and various internal components like shelves, drawers, and ice makers. The service manual is intended for qualified technicians to diagnose and repair the appliance.
| Priority sequence | Show Error code | Display method | Breakdown description | Operation and restore timing when breakdown |
|---|---|---|---|---|
| 1 | F101 | Light 1 sec. + Blink once | F-sensor abnormal | Compressor keeps operating. |
| 2 | F102 | Light 1 sec. + Blink twice | F-sensor value abnormal | Compressor keeps operating. |
| 3 | F103 | Light 1 sec. + Blink 3 times | R-sensor abnormal | R-room duct in damper repeats 'open' 10 min 'dose' 50 min. |
| 4 | F112 | Light 1 sec. + Blink 12 times | TC-sensor abnormal | K-motor stops (when sensor is off). |
| 5 | F104 | Light 1 sec. + Blink 4 times | TC-sensor value abnormal | Defrost not operating. |
| 6 | F109 | Light 1 sec. + Blink 9 times | K-sensor abnormal | V-room heater: While sensor is open there's current continuously. While sensor is short it stops. |
| 7 | F0 20 | Blink 20 times | K-sensor value abnormal | Compressor keeps operating. R-room duct in damper repeats 'open' 10 min 'dose' 50 min. |
| 8 | F0 21 | Blink 21 times | D-sensor abnormal | Only breakdown description is available. |
| 9 | F0 02 | Blink twice | D-sensor value abnormal | Normal operation continues. |
| 10 | F0 07 | Blink 7 times (Inverter Model) | V-sensor abnormal | Only breakdown description is available. |
| 11 | F0 08 | Blink 8 times (Inverter Model) | V-sensor value abnormal | Normal operation continues. |
| 12 | F0 09 | Blink 9 times (Inverter Model) | Communication abnormal between Main microcomputer and Compressor microcomputer. | Compressor stops. |
| 13 | F0 11 | Blink 11 times (Inverter Model) | Communication abnormal between Main microcomputer and Display microcomputer. | →Repeat 4 times (Compressor restarts after 10 sec.) |
| 14 | F0 12 | Blink 12 times | Display EEPROM data abnormal. | →Compressor restarts after 10 min. |
| 15 | F0 13 | Blink 13 times | Main EEPROM data abnormal. | →... Repeat |
| 16 | F0 03 | Blink 3 times | Power module over current. | 1.While Main microcomputer communication with Compressor microcomputer, it stops communication. 2. While Compressor running normal, it stops display after compressor keep running 10 min. |
| 17 | F1 05 | Light 3 sec. + Blink 5 times | Ice maker sensor abnormal | R fan motor stops and restart after 3 min. |
| 18 | F0 04 | Blink 4 times | Defrost circuit abnormal | K fan motor stops and restart after 3 min. |
| 19 | F0 14 | Blink 14 times | Power voltage abnormal | Ice maker stops. Cannot make ice. |
| 20 | F0 19 | Blink 19 times | Gear motor abnormal | After 2 hrs, defrost mode will stop and resume normal operation. |
| 21 | F301 | Light 3 sec. + Blink once | Gear motor lock abnormal. | Stop expect operation button on the door and inside. |
| 22 | F302 | Light 3 sec. + Blink twice | Freezer not cooling | If the Gear motor is lock, then it will be reverse 1 time and show display. If the booth switch off, then the display will stop. |