E0" "E8": Flow Switch Error - Midea LRSJF-V120 Technical Manual

MCAC-RTSM-2012-07
A. "E0" "E8": Flow switch error
Wire controller
Display
Error
Explanation
Supposed
Causes
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.
E0 E8
E0:Flow switch error( continuous for 3 times, and should be reset by switch off
the power supply )
E8:Flow switch error( one times)
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.
NO
NO
YES
YES
Properly connect the wire.
YES
Replace the flow switch
NO
Check the wire connection or
replace the pump
Replace the main control
board.
M-thermal Technical Manual (part 4)