AUX E Series User Manual

AUX air conditioner service manual
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When the faults happen, the LED digital screen of the operation panel displays the corresponding
code.
⑴ Fault of The indoor temperature sensor：
System turns off, and the LED digital screen of the operation panel displays “E1”.
⑵ Fault of the outdoor tube temperature sensor on the indoor panel：
System doesn’t turn off, and the LED digital screen of the operation panel displays “E2”.
⑶ Fault of the indoor tube temperature sensor：
System doesn’t turn off, and the LED digital screen of the operation panel displays “E3”. System
works under the mode without indoor tube temperature sensor.
⑷ When outdoor panel available, the communication fault：
System turns off, and the LED digital screen of the operation panel displays “E4”.
⑸ When outdoor panel available, the protection of outdoor compressor (overloading protection)：
System turns off, and the LED digital screen of the operation panel displays “E5”. (The fault may be
the protection of low on-off voltage, overloading protection or the reacting motion of overloading
relay)
⑹ When outdoor panel available ，the phase failure protection of the outdoor three phases：
System turns off, and the LED digital screen of the operation panel displays “E6. (The fault may be
three phases in reverse connection).
⑺ When outdoor panel available, over-current protection：
System turns off, and the LED digital screen of the operation panel displays. “E7”.
⑻ When outdoor panel available, the fault of the exhaust pipe temperature sensor of the compressor：
System doesn’t turn off, and the LED digital screen of the operation panel displays. “E8”. (The fault
may be the unsteady joint or plug of the temperature sensor or the damage of the outdoor computer
board)
⑼
When outdoor panel available, the temperature protection to the exhaust pipe of the compressor：
System turns off, and the LED digital screen of the operation panel displays “E9”.
7. HS(Y)、HSA(Y)、HSB(Y)、HSF（Y）、HV(Y)、HVA(Y) digital display for the series
air-conditioner faults：
Fault source Display mode
The display
precedence level
PG motor feedback is
abnormal
“E4” 1
Plastic temp. sensor is
abnormal
“E1” 2
Copper temp. sensor is
abnormal (indoor)
“E3” 3
Copper temp. sensor is
abnormal (outdoor)
“E2” 4
8、H（Except KFR-25G/H）、H1、HA、HB series faults display：
Fault source Display mode
The display
precedence
level

AUX E Series Specifications

General

Brand	AUX
Model	E Series
Category	Air Conditioner
Language	English