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MCAC-RTSM-2012-07 M-thermal Technical Manual (part 4)
B.
“E1 E3 E4 E5 E6 E7 E8 E9 EA Eb”: Temperature sensor error
Wire
controller
Display
E1"E3 E4 E5 E6 E7 E8 E9 EA Eb
Method of
malfunction
detection
Malfunction is detected according to the temperature detected by each
temperature sensor.
Supposed
Causes
1. Temperature sensor cables
don’t connect correctly.
2. The sensor terminal is loose.
3. The sensor circuit is short or open
4. The main control board's clamp diodes are short or open.
Troubleshooting
Error code
Is temperature port on PCB
loose?
Temperature sensor is
short or defective.
The chip's pins do not match
correctly or the chip is defective.
, turn the power on again, is the
code displayed?
Insert the chip correctly or replace it with a
fine one
Replace the temperature sensor
Replace the main control
board.
YES
NO
YES
NO
Fasten the port.
YES
NO
Summary of Contents for CSD80GN1
Page 27: ...1 4 Dimensions of the outdoor unit 1 5 Installation space 1 Single unit installation...
Page 28: ...2 Parallel connect the two units or above 3 Parallel connect the front with rear sides...
Page 50: ......
Page 59: ......
Page 60: ......
Page 70: ...M thermal technical manual part 3 3 4 Field setting table...