-53-
OUTDOOR
HEAT-EXCHANGER
SENSOR (TL)
Out of place, break,
short-circuit.
Full stop
1.
Check the outdoor heat-exchanger sensor.
2.
Check the outdoor PC board.
HIGH PRESSURE
SWITCH
High pressure switch does not
reset.
5 sec in cooling
30 sec in heating
Full stop
1.
Check the high pressure switch.
2.
Check the outdoor PC board.
Compressor does not operate.
Start once, but soon after stop
by OCR
OTHER
ABNORMALITY OF
OUTDOOR UNIT
Full stop
1.
Check the compressor.
2.
Check the wiring of compressor.
(lack of phase, short circuit)
3.
Check the voltage.
4.
Check the outdoor PC board.
WRONG WIRING OF
REMOTE CONTROL
UNIT
Indoor unit does not operate
at all.
Full stop
1.
Check the wiring between remote control unit and indoor
unit.
2.
Check the indoor unit PC board.
FLOAT SWITCH
Float circuit out of position,
break.
Outdoor unit
stops
1.
Fault in drain pump.
2.
Drain pipe clogged.
3.
Check for indoor PC board.
* With drain pump unit only.
Heronhill - for all your Toshiba requirements
Tel: 01823 665660
www.heronhill.co.uk
Fax: 01823 665807