Midea LRSJF-V120 User Manual

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

Midea LRSJF-V120 Specifications

General

Brand	Midea
Model	LRSJF-V120
Category	Heat Pump
Language	English