Hoshizaki IM-65LE-Q User manual

NO. E1AH-806
ISSUED: MAY 8, 2010
REVISED:
HOSHIZAKI
SELF-CONTAINED CUBER
MODEL IM-65LE-Q
SERVICE MANUAL

CONTENTS PAGE
1. TIMING CHART----------------------------------------------------------------------------------------1
2. WIRING DIAGRAM -----------------------------------------------------------------------------------2
3. DIP SWITCH SETTING------------------------------------------------------------------------------3
4. SERVICE DIAGNOSIS-------------------------------------------------------------------------------4
5. ADJUSTMENT OF MICRO SWITCH-------------------------------------------------------------5
This service manual provides specific information for IM-65LE-Q only. For any other
information, please refer to the service manual for the standard model IM-65LE.
i

1
1. TIMING CHART
IM-65LE-Q
Freeze
State 1,2 3 4 8 9 1,2 4 8
S1
A
ctuator Toggle Switch Left (Arm Down
)
Right (Arm Up)
S2 Micro Switch (A
)
ON
(Water Pan control) OFF
S3 Micro Switch (B
)
ON
(Cam control) OFF
CM Compresso
r
ON
OFF
X5 CM/PM Cut Off Relay ON
OFF
FM Fan Moto
r
ON
OFF
PM Pump Moto
r
ON
OFF
A
CM
A
ctuator Moto
r
Down
OFF
Up
HV1 Hot Gas Valve ON
OFF
WV Water Valve ON
OFF
Operation State 1,2 After power supply is turned on or freeze cycle completes, FM starts, water plate opens to reach cam actuating position, and water supply begins for defrost cycle. State 3 If water plate does not release ice after reaching cam actuating position, ACM and CM stop. State 4 When water plate releases ice, WV closes and water plate starts to open further. State 5 When water plate fully opens and S1 moves to left (arm down) position, HV opens. When 3 minutes passes after CM stops in [state 2], CM restarts. State 6 Cube control thermistor senses temperature higher than defrost setting, water plate starts to close and water supply begins. State 7 When water plate closes and S1 moves to right (arm up) position, water supply stops and PM starts. State 8 When 15 seconds passes after S1 moves to right (arm up) position, FM starts and PM stops to start freezing. State 9 When cube control thermistor senses temperature lower than freeze setting, [state 1] begins.
Defrost
5,6 7
Defrost Freeze
5,6 7 3
th < freeze setting 15 secth > defrost setting 15 sec th > defrost setting

2
2. WIRING DIAGRAM

3
3. DIP SWITCH SETTING
Dip Switch No. Volume Setting
Freeze VR
DSW 1 A
Defrost VR
DSW 2 4
Dimple Range
DSW 3 4
Water Supply
DSW 4 0
Code Setting 1
DSW 5 9
Code Setting 2
DSW 6 7

4
4. SERVICE DIAGNOSIS
This service manual provides specific information for IM-65LE-Q only. For any other
information, please refer to the service manual for the standard model IM-65LE.
PROBLEM POSSIBLE CAUSE REMEDY
[1] Deformed ice. a) Water Pan
Lower Evaporator
1. Upper and Lower Evaporators not
aligned.
1. Readjust.
b) Lower Evaporator 1. Coating damaged, removed or worn. 1. Replace.
[2] Cam Arm will
not stop at a
proper position.
a) Micro Switch (A) 1. Open circuit or moisture inside. 1. Replace.
b) Micro Switch (B) 1. Open circuit or moisture inside. 1. Replace.

5
5. ADJUSTMENT OF MICRO SWITCH
Actuator Motor Arm
To adjust the Micro Switch (A):
1) Close the Water Pan.
2) Push up the lever until the Micro Switch (A) trips with a click sound. Then, push the
lever 1 mm further up to lock in position. Do not bend the actuator by pushing up the
lever too much.
3) After adjustment, check for proper operation.
To adjust the Micro Switch (B):
1)PushthelooselytSwitchBracketfullytotheleft.
2) Turn the Actuator Motor Arm to position the roller of the Micro Switch (B) as shown
above.
3) Push the Switch Bracket fully to the right until the Micro Switch (B) trips with a click
sound. Then, lock the Switch Bracket in that position.
4) After adjustment, check for proper operation.