Hitachi RCUE40AG2 Service Manual page 141

Troubleshooting

Alarm code

[Alarm Stop Reason]
Communication is not performed during a
certain period.
*Alarm stop: 3 retries during 30 minutes.
(compressor stop, automatic restart in 3minutes)
Is fan module No. set
correctly?
Yes
Is fan module supplied
power source?
Yes
Is connector CN201,
202 on the fan module
correctly connected?
Yes
Check fan module
pag. 139
SMGB0003 rev.0 - 01/2007
Transmission Abnormality between Inverter and

CPU PCB or between Fan Speed Control PCB
1m: m=Fan No.
No
No
Is "fan interlock
confi rmation switch" set
"normal"?
Check fuse
No
[PCB Monitoring Position]
FANM (Fan Module)
[Retry Code]
No. 1 Cycle : F1-P8
No. 2 Cycle : F2-P8
No. 3 Cycle : F3-P8
No. 4 Cycle : F4-P8
No. 5 Cycle : F5-P8
Set Dip Switch correctly
No
Yes
5 5
Set "normal".
Plug correctly and
repair wiring