Hitachi FSG1 Series Technical Catalogue page 412

TROUBLESHOOTING
18
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For performing the above checking in the case that the wireless remote control switch is used with the built-in receiver part of
the wall type indoor, perform the following procedures:
1. Turn OFF the power supply.
2. Disconnect the connector (CN25) on PWB(M).
3. Connect PC-P1HE.
4. Turn ON the power supply
After completion of checking, turn OFF the power supply again and make connectors as before checking.
From previous page
Repetition of Self - Checking of Unit No. "0"
Result
After 1 second
Result
Release PCB
Check Mode
?
NOTE:
1.
2. In this troubleshooting procedure, checking of the following part of the PCB's is not available.
PCB in Indoor Unit:
PCB in Outdoor Unit:
3. In the case that this troubleshooting is performed in the system using the central station, indication of the central station
may change during this procedure. However, this is not abnormal.
4. After this troubleshooting, the memory of abnormality occurrence times described before will be deleted.
.
In case that there is the next unit
CHECK
[Self - checking indication of the
Press
next unit]
® J3 ® J4 ® J2 ®
.
RESET
Press
If this indication is continued and "J1" is not shown, this indicated that each one of indoor unit
is not connected to the remote control switch.
Check the wiring between the remote control switch and indoor unit.
Relay Circuit, Dip Switch, Option Circuit, Fan Circuit, Protection Circuit.
Relay Circuit, Dip Switch, Option Circuit
(ex).
indication of
Unit No. "1"
After 1 to 5 seconds
TEMP
After
7 seconds