Mitsubishi Electric VL-250CZPVU-L-ERT Handbook page 61

(7) Remove the circuit board and power supply cord
[1] Remove the heat exchanger. ... Refer to (2).
[2] Remove the PCB cover. ... Refer to (3).
[3] Disconnect the relay connectors (indicated by
[4] Remove the circuit board (control circuit board).
a. Remove the circuit board fixing screws. ... Refer to (5) [4] a.
b. Tilt the circuit board to this side and unhook the hook at the top of it.
Precaution for replacing the circuit board
• Refer to the leaflet supplied with the service circuit board, and set the DIP switches on the circuit board.
• When the circuit board is replaced, the controller settings will be initialized. Perform the controller set-
tings according to the settings sheet included with the product. If the settings sheet is not available, keep
a record of the settings before replacement so that you can restore them.
Circuit board
).
Circuit board (X07DC-E2-C, VL-40S)
─ 61 ─
Insulating sheet