|
Problem
|
Possible
Cause
|
Remedial
Action
|
| Unit does not operate | -
Power failure - In comming voltage is too low - unit not switched ON |
-
Wait for power supply to resume - wait till proper incoming voltage is restored. If voltage failure, use a proper stabilize - Switch on the unit |
| Units run but does not cool | - Dirty
/ clogged air filter - Temperature setting is too high - Supply voltage is too low - System short of refrigerant gas - The temperature sensor may be in supply air path |
-
Clean the air filter - Set proper temperature by thermostate. - Wait till voltage condition improve. - Contact your local service dealer - Install the sensor in return air path |
| Unit at discharge is low | -
Dirty / clogged air filter - Supply voltage is low |
- clean
the air filter |