Hitachi KPI Installation And Operation Manual page 17

TROUBLESHOOTING
6.5. THERMISTORS SERVICE KPI-(252~2002)(E/H)2E
MODELS

Step 1:
Remove the screws of the fan cover.

Step 2:
Acces to the thermistors.

Step 3:
Set the fan cover with the screws. No gap can remain after
setting.

CAUTION
Fan units have an hinge that prevent them to fall. Make sure to
subject the fan before remove the screws.
7. TROUBLESHOOTING
7.1.ALARMS CODE
Alarm Code
96
Sensor on KPI Unit
97

NOTE:
If an alarm situation occurs, the unit will be stopped and the alarm message will be shown on the remote control 8 minutes after the incidence.

CAUTION
When overflow of drain water from the unit occurs, stop the operation and contact your contractor.
When you smell or see white smoke coming from the unit, turn OFF the main power supply and contact your contractor.
7.2. IF TROUBLE STILL REMAINS
If trouble still remains even after checking the following, contact your
contractor and inform them of the following items.
1. Unit Model Name.
2. Content of Trouble
3. Alarm Code N°. On Liquid Crystal Display
Category
Room temperature thermistor
Outdoor temperature thermistor
Thermistor
Type of Abnormality
7.3. THIS IS NOT ABNORMAL
Smells from unit
¡
Smell adheres on the unit after a long period of time.
Clean the air filter and the heat exchanger element.
KPI-(502~2002)(E/H)2E
Thermistor
KPI-252E2E
Main Cause
Failure of thermistor, sensor, connection.
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PMML0185 rev.1 - 03/2010