AR-C170 (serv.man28). Troubleshooting - Sharp Copying Equipment Service Manual (repair manual). Page 22

AR-C170M  TROUBLESHOOTING  11 - 22

Case 2

Cause

The heater lamp keeps ON 
with SIM 5-2.
Heater lamp trouble, 
thermostat trouble, interlock 
switch trouble, AC power 
supply trouble, PCU PWB 
(lamp control circuit) trouble

Check & 
Remedy

Check for disconnection of 
the heater lamp and the 
thermostat. Check the 
interlock switch.
Check the AC PWB and the 
PUC PWB lamp control 
circuit.
Cancel the error with SIM 
14.

Main 
code

Sub 

code

Title

Display

Lamp/Message

Phenomenon Detail

POD1 not-reached jams are 
detected for five times 
continuously.

Section

Fusing

Case 1

Cause

A fusing jam is not canceled 
completely. (Jam paper 
remains inside the 
machine.)

Check & 
Remedy

Check remaining jam paper 
(winding).
Cancel the error with SIM 
14.

Case 2

Cause

POD1 sensor trouble, or 
harness disconnection

Check & 
Remedy

Check POD1 sensor 
harness.
Cancel the error with SIM 
14.

Case 3

Cause

Improper installation of the 
fusing unit

Check & 
Remedy

Check installation of the 
fusing unit.
Cancel the error with SIM 
14.

Main 
code

Sub 

code

Title

Display

Lamp/Message

Phenomenon Detail

Mirror feed is not completed 
within the specified time.

Section

—

Case 1

Cause

Mirror unit trouble, mirror 
wire breakage

Check & 
Remedy

Use SIM 1-1 to check the 
mirror operation.

Main 
code

Sub 

code

Title

Main 
code

Sub 

code

Title

Display

Lamp/Message

Phenomenon Detail

Mirror return is not 
completed within the 
specified time.

Section

—

Case 1

Cause

Mirror unit trouble, mirror 
wire breakage

Check & 
Remedy

Use SIM 1-1 to check the 
mirror operation.

Main 
code

Sub 

code

Title

Display

Lamp/Message

Phenomenon Detail

In warm-up, or in canceling 
a jam, the paper feed motor 
is rotated, and the lock 
signal is not detected within 
1sec.

Section

Paper feed

Case 1

Cause

Paper feed motor trouble, 
disconnection of the 
harness between the PCU 
PWB and the paper feed 
motor, control circuit trouble

Check & 
Remedy

Use SIM 6-1 to check the 
paper feed motor operation. 
Check the harness and the 
connector between the 
PCU PWB and the paper 
feed motor.

Main 
code

Sub 

code

Title

Display

Lamp/Message

Phenomenon Detail

When the belt motor lifts up 
or down, the change in the 
belt home position sensor 
characteristics is not 
detected within the 
specified time. 
(When the motor lifts up, 
the lower limit sensor 
remains ON after the 
specified time.)
(When the motor lifts down, 
the lower limit sensor does 
not turn on after the 
specified time.)

Section

Paper feed

Case 1

Cause

Belt lift motor trouble, 
disconnection of the 
harness between the PCU 
PWB and the belt lift motor, 
control circuit trouble

Check & 
Remedy

Use SIM 6-1 to check the 
belt lift motor operation. 
Check the harness and the 
connector between the 
PCU PWB and the belt lift 
motor.