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17
Testing (cont’d)
IF UNIT FAILS TO OPERATE PROPERLY
ISSUE CHECK
Unit will not operate
Verify
that Red "Power" light is illuminated.
Verify that line voltage is present between terminals 1 and 3 of indoor unit.
Turn unit on with remote. (you should hear a "Beep" from indoor unit). Allow
3-4 min. for unit to restart.
Turn unit to "Test" mode. Verify that cooling function works (allow 3-4 min.
for unit to restart.)
Compressor will not operate
Turn unit to Cool mode. Allow 3-4 min for compressor timer to operate.
Check for line voltage between pins 1 and 2 of indoor unit. If no voltage is
present please call technical support.
The unit vibrates during operation
Is the indoor unit firmly attached to the wall?
Is the front cover closed properly?
Inefficient Cooling (heating)
Was the refrigerant leakage test performed with good results?
Are the air flow grills (inlet and outlet free from obstructions?)
Was refrigerant added as necessary?
Appearance of water or condensation.
Were refrigerant lines completely covered with insulation?
Is condensate drain routed properly (downward)?
Содержание MS212A13115A
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