Question about Sharp AR-M160 Black and White Copier
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Posted on Jan 02, 2017
SOURCE: Sharp AR-M237 Error Code H4-21
-H4-21 means:Sub heater lamp abnormally low temperature detection. The setup temperature (about –25°C: Sim 43-1-1) is not reached within the specified time (about 32sec) from turning on the power ON SW. (When the temperature falls below 140°C in the standby mode.)
Sub heater thermistor defect
Sub heater lamp failure
Sub thermostat failure
Control PWB failure
-Check the sub heater lamp blinking with SIM 5-2-2.
When the lamp blinks normally: Check the thermistor and the harness. Check the MCU PWB thermistor input circuit.
When the lamp does not light: Check for disconnection of the heater lamp and thermostat. Check the interlock switch. Check the power PWB and the MCU PWB lamp control circuit.
Clear the display of self-diagnostics with SIM 14.
The H4 errors will not reset by themselves. You must enter service mode to reset this error even if the problem has been repaired. The reset process is outlined below (DO NOT USE ANY OTHER FUNCTIONS IN SERVICE MODE):
Press the following sequence: "#/P" "*" "C" "*"
Type in 1 4
hit 1 for yes
Unit should power off and the restart.
If the error code recurrs ther are other problems.
Posted on Jun 06, 2008
SOURCE: Error code H4-01
This mean you have low temp. on heat lamp 2 program interput clear interrupt 14 print may clear this code. if not you can look at the fusing unit and reset thrmo breaker that may be pop off.
Posted on Jul 30, 2008
SOURCE: SHARP AR 5316 error H4
The problem is in the fusing unit try these steps:
STEP1: Press continuously CLEAR then INTERRUPT then ZERO then INTERRUPT
STEP2: The panel display will turn off it means that you are inside the simulation if not repeat again step1.
STEP3.Then type 14 then press the print button
If these steps doesn't work you must call an authorized serviceman to check your machine, maybe something is busted on the fusing unit like thermostat or fusing lamp.
Posted on Mar 01, 2009
SOURCE: Sharp AR-M207 Error Message
H4-00 means heat roller low temperature detection. It usuallly caused by 3 things :
1. The machine hang : You simply reset the error code by pressing : # * C * then input 14 then start.
2. If the error still displayed, open the side cover, feel the fusing unit ( don't touch, it is hot ), if the
fusing unit feels cold then the problem is the heater lamp ( inside the upper heater roller,
connected with anti heat cable and big connector ), you should replace it.
3. If the fusing unit feels warm or hot then the problem is the thermistor ( connected with small cable
and connector ), replace it.
Posted on Mar 04, 2009
SOURCE: Sharp AR-M160 H4 error code
Clearing a trouble code on a AR-M160 is a little different than the AR160.
Try "#" "interrupt" "clear" "interupt" "1" "4" "start key"
This should clear the error. Even if you replace the fusion unit you will need this code to clear the error
Posted on Mar 25, 2009
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