V.SERVICE DIAGNOSIS

1.NO ICE PRODUCTION

 

PROBLEM

 

POSSIBLE CAUSE

 

REMEDY

[1]

The icemaker will

a)

Power Supply

1.

OFF position.

1.

Move to ON position.

 

not start.

 

 

 

 

 

 

 

 

 

2.

Loose connection.

2.

Tighten.

 

 

 

 

 

 

 

 

3.

Bad contacts.

3.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

 

 

4.

Blown fuse.

4.

Replace.

 

 

b)

Power Switch

1.

Off position.

1.

Move to ON position.

 

 

 

(Control Box)

 

 

 

 

 

 

 

2.

Bad contacts.

2.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

c)

Fuse (Control Box)

1.

Blown out.

1.

Check for short circuit

 

 

 

 

 

 

 

and replace.

 

 

d)

Circuit Protect Relay

1.

Miswiring.

1.

Check power supply

 

 

 

 

 

 

 

voltage and wire

 

 

 

 

 

 

 

properly.

 

 

e)

Flush Timer

1.

Flushing out.

1.

Wait for 15 minutes.

 

 

 

 

2.

Bad contacts.

2.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

f)

Flush Switch

1.

FLUSH position.

1.

Move to ICE position.

 

 

 

 

2.

Bad contacts.

2.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

g)

Transformer

1.

Coil winding opened.

1.

Replace.

 

 

h)

Control Water Valve

1.

Coil winding opened.

1.

Replace.

 

 

i)

Shut-off Valve

1.

Closed.

1.

Open.

 

 

 

 

2.

Water failure.

2.

Wait till water is

 

 

 

 

 

 

 

supplied.

 

 

j)

Plug and Receptacle

1.

Disconnected.

1.

Connect.

 

 

 

(Control Box)

 

 

 

 

 

 

 

2.

Terminal out of Plug

2.

Insert Terminal back in

 

 

 

 

 

or Receptacle.

 

position

[2] Water flow does not

a)

Water Control Relay

1.

Contact fused.

1.

Replace.

 

stop, and the

 

 

 

 

 

 

 

 

 

2.

Coil winding opened.

2.

Replace.

 

icemaker will not

 

 

 

start

b)

Float Switch

1.

Bad contacts.

1.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

 

 

2.

Float does not move

2.

Clean or replace.

 

 

 

 

 

freely.

 

 

 

 

c)

Flush Water Valve

1.

Valve seat clogged

1.

Clean or replace

 

 

 

 

 

and water leaking.

 

 

 

 

d)

Hoses

1.

Disconnected.

1.

Connect.

[3]

Water has been

a)

Water Control Relay

1.

Bad contacts.

1.

Check for continuity

 

supplied, but the

 

 

 

 

 

and replace.

 

icemaker will not

b)

Bin Control

1.

Bad contacts.

1.

Check for continuity

 

start.

 

 

 

 

 

and replace.

 

 

 

 

2.

Activator does not

2.

Clean Axle and its

 

 

 

 

 

move freely.

 

corresponding holes

 

 

 

 

 

 

 

or replace Bin Control.

 

 

c)

Gear Motor Relay

1.

Coil winding opened.

1.

Replace.

 

 

 

 

2.

bad contacts.

2.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

d)

Control Timer

1.

Broken.

1.

Replace.

 

 

 

(Printed Circuit

 

 

 

 

 

 

 

Board)

 

 

 

 

 

 

e)

Gear Motor Protect

1.

Coil winding opened.

1.

Replace.

 

 

 

Relay

 

 

 

 

 

 

 

2.

Bad contacts.

2.

Check for continuity

 

 

 

 

 

 

 

 

 

 

 

and replace.

 

 

 

 

 

 

 

 

50

Page 49 Page 51
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Hoshizaki F-1000MRF/-C, F-1000MAF/-C, F-1000MLF/-C, F-1000MWF/-C service manual Service Diagnosis, No ICE Production
Page 49 Page 51

F-1000MWF/-C, F-1000MRF/-C, F-1000MLF/-C, F-1000MAF/-C specifications

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