Hoshizaki FM-300AFE-HC, Руководство по обслуживанию

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IV. SERVICE DIAGNOSIS
Display error record by operating the Operation Board (See “III. 7. [b] 5) Displaying Error
Record”). Check for a possible cause and service the unit.
1. NO ICE PRODUCTION
PROBLEM POSSIBLE CAUSE REMEDY
1. OFF position. 1. Move to ON position.
2. Loose connections. 2. Tighten.
3. Bad contacts. 3. Check for continuity and
replace.
4. Blown fuse. 4. Replace.
a) Power Supply
5. Voltage too low. 5. Get recommended voltage.
b) Fuse (Controller
Board)
1. Blown out. No
indication on
Operation Board.
1. Find out the cause of short
circuit (ex. Control Water
Valve, Flush Water Valve),
resolve it, and replace
Controller Board.
c) Transformer
Receptacle
1. Disconnected. 1. Connect.
1. OFF position. 1. Move to ON position. d) Operation Switch
2. Bad contacts. 2. Check for continuity and
replace.
e) Transformer 1. Coil winding opened. 1. Replace.
f) Water Valve 1. Coil winding opened. 1. Replace.
1. Closed. 1. Open. g) Water Supply
Tap
2. Water failure. 2. Wait till water is supplied.
1. Disconnected. 1. Connect. h) Plug and
Receptacle
(Control Box)
2. Terminal out of Plug
or Receptacle.
2. Insert Terminal back in
position.
i) Chute Switch 1. Tripped. 1. See “III. 6. [i] CHUTE
SWITCH”.
j) Overload
Protector
1. Tripped. 2. Reset.
[1] The icemaker will
not start.
k) Model Setting No. 1. Incorrect. 2. Set correct No. See “III. 7. [b]
1) Setting Model No.”
1. Contacts fused. 1. Replace Controller Board. a) Water Control
Relay (Controller
Board)
2. Coil winding opened. 2. Replace Controller Board.
1. Bad contacts. 1. Check for continuity and
replace.
b) Float Switch
2. Float does not move
freely.
2. Clean or replace.
c) Flush Water
Valve
1. Valve seat clogged
and water leaking.
1. Clean or replace.
d) Hoses 1. Disconnected. 1. Connect.
e) Mechanical Seal 1. Water leaks. 1. Replace.
[2] Water does not
stop, and the
icemaker will not
start.
f) Reservoir 1. Cracked. 1. Replace.