IQ Theratherm 17iv, Руководство пользователя и обслуживания

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26 A Division of:
EE 15
Temperature of
IPM module is too
high
1. Output exception of IPM module
thermal circuit
2. Motor is abnormal or damaged
3. Fan blade is broken
1. Change a driver board
2. Check if the fan motor speed is too
low or fan motor damaged, change
another one
3. Change another fan blade
EE 16
PFC module
protection
1. Output exception of PFC module
2. Motor is abnormal or damaged
3. Fan blade is broken
4. Input voltage leap, input power is
abnormal
1. Change a driver board
2. Check if the motor speed is too low
or fan motor damaged, change
another one
3. Change another fan blade
4. Check the input voltage
EE 17
DC fan motor
failure
1. DC motor is damaged
2. Main board is damaged
3. The fan blade is stuck
1. Detect DC motor, replace with a
new one
2. Change a new main board
3. Find out the barrier and work it out
EE 18
PFC module
thermal circuit is
abnormal The driver board is damaged
1. Change a new driver board
2. Check if the fan motor speed is too
low or fan motor damaged, change
another one
EE 19
PFC module high
temperature
protection
1. PFC module thermal circuit output
abnormal
2. Motor is abnormal or damaged
3. Fan blade is broken
4. The screw in the driver board is not
tight
1. Change a new driver board
2. Check if the motor speed is too low
or fan motor damaged, change
another one
3. Change another fan blade
4. Check if the screw is loose
EE 20
The input power
failure
Power supply voltage fluctuates too much Check whether the voltage is stable
EE 21
Software control
exception
1. Compressor run out of step
2. Wrong program
3. Impurity inside compressor causes the
unstable rotate speed
1. Check the main board or change a
new one
2. Enter correct program
EE 22
Current detection
circuit failure
1. Voltage signal abnormal
2. Driver board is damaged
1. Check the main board or change a
new one
2. Change a new driver board
EE 23
Compressor
startup failed
1. Main board is damaged
2. Compressor wiring error or poor
contact or unconnected
3. Liquid accumulation inside
4. Wrong phase connection for
compressor
1. Check the main board or change a
new one
2. Check the compressor wiring
according to the circuit diagram
Check the compressor or change a
new one
EE 24
Ambient
Temperature
device failure on
Driver board
Ambient Temperature device failure Change driver board or main board
EE 25
Compressor
phase failure
Compressors U, V, W are connected to
one phase or two phases
Check the actual wiring according to
the circuit diagram