Samsung Electronics
12-9
Error Mode
Communication error
Display
Check Method
If more than two MASTERs are set.
Cause
OPTION setup, PCB check or replacement
Sensor SPEC.
12-4-7 Communication Error at DUAL MASTER Setup
Yes
Eliminate all communication
connectors on SLAVE PCB and
connect them again one by one.
Find out the SLAVE interrupting
communication and check its lines.
Then, replace SLAVE PCB.
No
Is MASTER/SLAVE set properly?
E652 code appears when unit operation
starts or while it is in operation.
Check K8 of SW05 of PCB option setup switch.
Set option switch again with pressing
RESET KEY K3 of MASTER PCB for re-tracking.
Replace MASTER PCB if tracking is
not conducted.
Troubleshooting
27723A(1)_RHF-025EB_1.indd 9
2007-05-09 ｿﾀﾈﾄ 4:24:15
