Parts/Service for R-W660ERU9 (GS,GBK)

Parts/Service for R-W660ERU9 (GS,GBK)

Brand: HITACHI

Category: Refrigerator

Document Type: Parts/Service

Language: EN

Uploaded: Nov. 21, 2025, 7:48 p.m.

Manual Publish Date: 2010-02-01

Warranty Information

This is a service manual and does not contain warranty information.

Basic Operation

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.

Troubleshooting and error codes

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.
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