Haier AP242ACBEA - When Problems Occur

18
When problems occur?
2. Power supply
Air conditioner must use an exclusive line (over 30A)
When installation air conditioner in a wet place, try to use a circuit breaker against
Current leakage.
For installation in other places, use circuit breaker as far as possible.
Such means for disconnection must be incorporation in the fixed wiring
The breaker of the air conditioner should be all-pole switch ; and the distance between
its two contacts should be no less 3 mm.
The parameter of power cord is : AP242ACBEA : H05RN-F 3G 4.0mm
2
AP42NACBEA :H05RN-F 5G 2.5mm
2
1. Errors display
Table of control pan and circuit board inspection displays during errors with the
indoor unit.
Inspection display
E1
E2
E3
E4
E5
E6
E8
E9
Contents of breakdown
The parameter of connect cord is H05RN-F 4G 0.75mm
2
Room temp. sensor abnormal
Indoor coil temp. sensor abnormal
Outdoor coil temp. sensor abnormal
Over-current or phase sequence malfunction
Communication malfunction between indoor and wired controller
Communication malfunction between indoor and outdoor abnormal
Outdoor temp. sensor abnormal
High / Low pressure abnormal