Midea CE-LRSJF-V80/N1-310

MCAC-RTSM-2012-01 M-thermal Technical Manual (part 2)
A. "E0" "E8": Flow switch error
Wire controller
Display
E0 E8
Error
Explanation
E0:Flow switch error( continuous for 3 times, and should be reset by switch off
the power supply )
E8:Flow switch error( one times)
Supposed
Causes
1. The wire terminal is loose or connected incorrectly.
2. The wire circuit is short or open.
3. The pump is not running
4. The main control board's clamp diodes are short or open.
Troubleshooting
E0
Check whether the wire
connected correctly or loose.
Is the wire circuit short or
open?
Turn on the power supply. Is the
water pump running?
Main control board is
defective.
Properly connect the wire.
Replace the flow switch
Check the wire connection or
replace the pump
Replace the main control
board.
NO
YES
NO
NO
YES
YES