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How to resolve h4 error in sharp ar-5520 - Sharp Office Equipment & Supplies

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  • Contributor
  • 7 Answers

This problem is abnomality heater
you have to reset heater with code:
#interuptcinterupt 14 start

Posted on May 15, 2017

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

sir fixalot
  • 146 Answers

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.)
-Causes:
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
Press start
hit 1 for yes
hit start
Unit should power off and the restart.
If the error code recurrs ther are other problems.

Posted on Jun 06, 2008

  • 62 Answers

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

tehnik_bdg
  • 91 Answers

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

007tech
  • 95 Answers

SOURCE: system error H4-00

H4 indicates a heating problem in the fuser. The roller never reached a specific temp. Make sure the fuser is free of any left over paper pieces (maybe from a paper jam). Check to make sure its clean.
Try reseting the the error in service mode.
To enter the test command mode, press the keys as
follows one after the other :
[#] key [*] key [C] key [*] key then enter 14 and press start/copy key. this clear error counter. make sure to restart copier afterwards.

Posted on May 20, 2009

tehnik_bdg
  • 91 Answers

SOURCE: h4 error for sharp ar-5316e

Try reset the code by pressing [#] [Interupt] [C] [Interuptr] [14] [COPY/START]
If error still exist, check the thermofuse and the heater lamp

Posted on Jun 23, 2009

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