Midea MFH180-G1302DS F01E-US Technical Service Manual page 32

Control Board
The control board is mounted in a housing that is attached to the inside of the control panel. The control
board and housing are replaced as an assembly. The control board assembly is held in place by Phillips-
head screws. The control board is programmed to recognize different modes of operation.
Mode Name
Idle
Standby
Run
Pause
End of Cycle
Fault
Operation of the control board can be checked by using the service test mode. (See
No cycle is selected. All LEDs, 7-segment display on front panel, load selections and
options are off. The door is unlocked. The control board is ready to take input from
user.
A cycle is selected with the appropriate load selections and options. LEDs and 7-segment
display on front panel are on. The door is unlocked. The control board is ready to take
user input to either modify cycle selections or start a selected cycle.
The control board is executing the currently selected cycle. The door is locked.
The control is stopped by user during the execution of a cycle. LEDs and 7-segment
display on front panel stay on, all loads are turned off. The door is unlocked. The control
board is ready to take user input to either modify, resume, or cancel the cycle.
A cycle is completed. LEDs and 7-segment display on front panel stay on, all loads are
turned off. The door is unlocked. The control board remains in this mode until the door
is opened or after 2 hours have passed.
The control board detected a critical failure condition. The 7-segment display shows the
fault code, all loads are turned off. The fault code can only be removed in the service
test mode. (See Service Test Mode.)
Description
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Service Test Mode
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