Sanyo SPW-C483GYH8 Service Manual page 164

1. Troubleshooting
(6) Symptom: LCD on the remote controller is displaying "CHECK E06". (Unusual communication between the indoor
and outdoor units)
1
This message is displayed when the power was switched on for the indoor and outdoor units, the combination
of indoor and outdoor units matches, but afterwards a problem occurred in the indoor unit disabling transmis-
sion to the outdoor unit.
Start
Is there an indoor unit other than
"CHECK E06" in the same system?
Is there an indoor unit with the
power off in the same system?
Is there a cut line or contact
defect between an indoor and
outdoor unit's control line?
Influenced by external noise
(7) Symptom: LCD on the remote controller is displaying "CHECK E08". (Duplicate indoor unit address setting)
Is the setting for the non-volatile
memory IC on the indoor unit PCB
inappropriate?
(Are there two units with the same
address?)
Influenced by external noise
(8) Symptom: LCD on the remote controller is displaying "CHECK E09". (Duplicate setting of RCU address switch of
remote controllers)
Start
Are there two remote controllers
(master-slave) installed with both
remote controllers set as masters?
Replace the remote controller.
* See the section of ENGINEERING MANUAL and INSTALLATION INSTRUCTION concerning with controlling
remote controller switches when there are two remote controllers.
Yes
No
Yes
No
Yes
No
Start
Yes
No
Yes
No
III - 15
Investigate the problem preventing
this indoor unit from communicating
with outdoor unit.
Switch on the power.
Correct wiring.
0337_M_I
Correct the setting.
0338_M_I
Correct the setting.
0339_M_I
Service Procedures
*
SM830052
3