7.TROUBLE SHOOTING
temperature
sensor fault
sensor connect loose;
2. The room temperature sensor is failure;
3. The sampling circuit is abnormally
temperature sensor;
2. Replace the room temperature
sensor;
3. Replace the indoor control board.
83
The coil
temperature
sensor of the
evaporator fault
1.The cable of the coil temperature sensor
of the evaporator is failure;
2. The coil temperature sensor of the
evaporator is failure;
3. The sampling circuit is abnormally
1. Reconnect the cable of the coil
temperature sensor of the
evaporator;
2. Replace the coil temperature
sensor of the evaporator;
3. Replace the indoor control board.
85
The
temperature
sensor of the
wiring controller
fault
1. The temperature sensor of the wiring
controller is failure;
2. The sampling circuit of the wiring
controller is failure
1. Replace the wiring controller;
2. Replace the wiring controller
EA
The
communication
between the
display board
and the indoor
control board
fault
1.The wiring between the display board to
the indoor control board connect loose;
2.The sequence of the wiring between the
display board to the indoor control board is
wrong;
3.The wiring between the display board to
the indoor control board is failure;
4. The display board is failure;
5. The indoor control board is failure.
1. Reconnect the between the display
board to the indoor control board;
2. Replace the wiring between the
display board to the indoor control
board;
3. Replace the wiring between the
display board to the indoor control
board;
4. Replace the display board;
5. Replace the indoor control board.
Summary of Contents for SRH-PM18DC
Page 20: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 23 2 AMS 18UR4SVUP3 VG3 VL3 VT3 UP3 UL3 UQ3 ...
Page 21: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 26 OUTDOOR 1 AMW2 16U4SGC1 ...
Page 22: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 29 4 AMW3 24U4SZD ...
Page 23: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 32 7 AMW4 36U4SAC ...
Page 64: ...9 9 P PA AR RT TS S L LI IS ST T 67 MODEL AMS 18UR4SVUP3 UL3 UQ3 VG3 VL3 VT3 ...
Page 67: ...9 9 P PA AR RT TS S L LI IS ST T 89 Mode AMW4 36U4SAC ...
