Electra PXD912 Service Manual page 105

TROUBLESHOOTING
No. SYMPTOM
11 One of the protections is
activated and compressor
is stopped with no
apparent reason.
12 Compressor motor is noisy
and no suction is present.
13 Water leakage from indoor
unit.
14 Freezing of outdoor unit in
HEAT Mode and outdoor
unit base is blocked with
ice.
15 Unit operates with wrong
fan speeds or wrong
frequency.
16 Filter LED comes ON after
512 hours of operation
12-2
PROBABLE CAUSE
Control problem or
refrigeration system
problem.
Wrong phase order to
compressor.
Indoor unit drainage tube
is blocked.
Wrong jumper settings.
Clogged air-filter
CONTENT
CORRECTIVE ACTION
Perform diagnostics to detect
active protection, and take
action accordingly.
Check compressor phase
order.
Check and open drainage
tube.
Connect base heater.
Perform diagnostics to obtain
unit model or if operating by
EEPROM parameters.
Replace air-filter. Press the
RESET button.
SM PXD 1-E.3 GB