![Hitachi Utopia PAS-3HVRG Скачать руководство пользователя страница 36](http://html.mh-extra.com/html/hitachi/utopia-pas-3hvrg/utopia-pas-3hvrg_service-manual_2139454036.webp)
TROUBLESHOOTING
1-33
“RUN” light flickers and “ALARM” is indicated on the remote control switch.
The unit No., alarm code and the unit code is alternately indicated on the set temperature section,
and the alarm code is indicated on the display of the outdoor unit PCB.
This alarm code is indicated when the temperature of the internal thermostat for the indoor fan motor
is higher than 130
°
C.
Activation of Protection Device for Indoor Fan Motor
(except RCI-Model)
Yes
Yes
Yes
Yes
Replace the motor.
No
No
No
Repair wiring and
connections.
No
Replace the motor.
No
Yes
Does the indoor
fan run?
Is fan motor hot?
Is continuity present
at the internal thermostat
of indoor fan motor?
Is connection bad at
the connector?
Is the coil resistance
of fan motor normal?
Check indoor temperature.
If it is unusual, take suitable
action to reduce it.
Cause
Check Item
Action
(Turn OFF Main Switch)
Phenomenon
Activation
of Internal
Thermostat for
Indoor Unit
Fan Motor
Measure resistance
by tester.
Check continuity after
fan motor temperature
decreases to room temp.
Faulty
Internal
Thermostat
Fault
Replace fan motor if
no continuity.
Correct looseness.
Replace connectors.
Insufficient
Contacting
Check connections.
Repair connections.
Incorrect
Connection
Measure coil
resistance and
insulation resistance.
Replace motor if faulty.
Faulty Indoor Unit
Fan Motor
Alarm
Code
Содержание Utopia PAS-3HVRG
Страница 77: ......
Страница 89: ......
Страница 111: ......
Страница 124: ......
Страница 125: ...01203 4105679 91 01203 4105679 91 0 9 0 9 70 1 ...