Sanyo Big PACi 18 Series - Page 224

5-7
5
Judgement conditions
Alarm
contents
Judgement and correction
Remote
controller
alarm display
E14
Settings failure
Main unit in simultaneous
operation multi control
duplicated.
(Outdoor unit detected)
Power reset
recovery
1. Check inter-unit control
wiring.
2. Check indoor unit
combination.
E15
E16
E20
E31
H01
Automatic address
setting failure
Automatic address
setting failure
Automatic address
setting failure
Insufficient indoor unit
capacity.
Power reset
recovery
Power reset
recovery
Power reset
recovery
1.Check inter-unit control
wiring.
2.Check indoor and outdoor
unit control PCB.
Excessive indoor unit
capacity.
1.Check inter-unit control
wiring.
2.Check indoor and outdoor
unit control PCB.
Outdoor unit cannot receive
any serial signals from indoor
units.
1.Check inter-unit control
wiring.
2.Check indoor and outdoor
unit control PCB.
E22
Miswiring error Power reset
recovery
Inter-unit connection are
miswiring error.
Missing phase for the outdoor
unit power supply.
Check wiring.
Communications
trouble within unit
No communication possible
with MDC for 3 minutes or
longer.
Automatic recovery Check outdoor unit control
PCB.
Over-current error
Inverter stops after alarm is
detected.
Recovery at restart 1. Refrigerant cycle abnormal
overload operations.
2.Screws connecting the HIC
circuit between the heat sink
are loose.
3.Faulty cooling of heat sink.
4.Check outdoor unit control
PCB wiring.
Eliminating
condition of alarm
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