Controller Board; [A] Modification; [B] Replacement - Hoshizaki FM-300AKE-HC Service Manual

5) Disconnect the terminals from the flush water valve.
6) Remove the flush water valve from the bracket.
7) Remove the drain pipe from the flush water valve.
8) Connect the drain pipe to the new flush water valve, and place the valve in position.
9) Connect the hose to the flush water valve, and secure it with the clamp.
10) Pour water into the reservoir, and check for water leaks on the flush water valve.
11) Open the water supply tap.
12) Connect the power source.
13) Check for water leaks.
14) Push the stop button, and make sure water is flushing.
15) Push the ice button.
16) Refit the panels in their correct position.

5. CONTROLLER BOARD

A single type controller board is supplied as a service board. Some modifications and
adjustment will be required to fit the icemaker models. Do not repair any parts and
electronic devices on the controller board in the field. Replace the whole board with a
new service board.

[a] MODIFICATION

1) Check that the service board package includes:
Controller board
2) Modify the service board referring to the instruction sheet attached (Set the model
number according to "III. 5. [b] SETTING MODEL NUMBER").

[b] REPLACEMENT

1) Disconnect the power source.
2) Remove the front panel.
3) Remove screws and the control box cover.
IMPORTANT
1 pc. Instruction sheet
50
1 pc.