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IN my petra package unit it shows E7. wiring is ok pc board is also ok i cant find out the exact solution.what are the possible causes of this problem? how i will rectify it?

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4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

rezazadeh
  • 328 Answers

SOURCE: my sharp AR337 always showing E7-11, when i clean

clean white surface under the glass.then push scale on the glass and make copy.few push glass holder metals near copy lamp.

Posted on May 25, 2010

SOURCE: Gas Package Unit Keeps Running with all T- stat wires unpluged at the unit?

What is keep running?

Posted on Nov 30, 2013

Ngoro
  • 1144 Answers

SOURCE: My sharp ar-336 photocopier is showing error code e7-02 what is the cause?

See TROUBLE CODE LIST page 9-2:
http://olsonbros.com/sharp/support/pdf_trbl/trbl-ar250_280_281_285_286_335_336_405_501_505.pdf

Posted on May 28, 2015

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1 Answer

Haam air conditioning split then I switch on come to E7 what is the problem in my a c please give me answer any parson


Malfunction of Outdoor Unit Fan Motor ( E7)
Remote Controller
Display
E7 Method of
Malfunction
Detection
Abnormality of fan motor system is detected according to the fan speed detected by hall IC when the
fan motor runs.
Malfunction
Decision
Conditions
?? When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor
running conditions are met

?? When connector detecting fan speed is disconnected
?? When malfunction is generated 4 times, the system shuts down.
Supposed Causes ?? Malfunction of fan motor
?? The harness connector between fan motor and PC board is left in disconnected, or faulty connector
?? Fan does not run due to foreign matters tangled
?? Clearing condition: Operate for 5 minutes (normal)
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.

Replace the outdoor unit fan motor.
Connect the connector.
Remove the foreign matter.
YES
NO
Are fan motor
connectors
disconnected?
Replace the outdoor unit fan motor.
NO
YES
Is the pulse input?
Check No. 11 Check for pulse input
for number of rotations
on the outdoor unit
PC board.
Replace the outdoor unit PC board.
YES
NO
NO
YES
Is there
any foreign matter
around the fan?
Can the fan be
easily rotated by hand?
(S2584

Jun 07, 2016 | Heating & Cooling

1 Answer

I have strength master treadmill when I put in on it show me E7 please what is the problem


An E6 or E7 error code is an incline error code. The E7 code means the potentiometer value the console is reading from the lift motor is out of range. This can happen when there is a bad wire harness connection or a damaged wire harness. It could also just mean the incline motor needs to be adjusted back into range. If all wire connections look ok, the incline motor will need to be adjusted.

May 03, 2016 | Exercise & Fitness

1 Answer

MX 351U SHOWING E7-90 ERROR CODE WHAT THE SOLUTION


This is a PCU PCB Communication error. 9 times out of ten it will reset by simply switching the machine off and then on again. If the problem persists here is the section from the manual that describes the possible causes and remedies.

E7-90
MFP - PCU PWB communication error
Trouble content
Detail
MFP
Cause
PCU PWB connector connection trouble. PCU PWB - MFP PWB connection trouble. PCU PWB trouble.
MFP PWB trouble.
Mother board trouble.
Check & Remedy
Check connection of the PCU PWB, the MFP PWB, and the mother board.
Check the ground.
Replace the PCU PWB.
Replace the MFP PWB. Replace the mother board.
I hope this helps

Good Luck

Follow me on Twitter @CDOS_Service

Jan 14, 2014 | Sharp Office Equipment & Supplies

2 Answers

E7 error message


see this steps and fix it. God bless you

ERROR CODE # 7

E7- 1) Alternative Elevation Motor

1)Cause: Elevation Motor not moving Solution:Check Elevation Motor connection

2)Cause: Elevation Elevation Motor screw binding Solution: Clean screw and lubricate

3)Cause: Elevation Motor Motor out of Range Solution: Check motor out of elevation

4)Cause: E-Motor Potentiometer: Solution: Replace Elevation Motor



2)Alternative:

Display Doesn't Light Up: a)Cause: On/Off switch Solution: Test unit is turned on b)Cause: Insufficient Power Source Solution: Plug dedicated120V, 20Amp Outlet

c) Cause: Line Cord Damaged Solution: Replace Line Cord

d)Cause: Fuse Solution: Check Fuse on MCB

11_27_2012_11_30_01_pm.gif

Nov 27, 2012 | Exercise & Fitness

1 Answer

What is err0r code E 7 02 IN ARM 450 COPIER


The E7-02 means the beam detect sensor never received a beam from the laser. As the previous poster stated you'll need a new laser unit. Meaning that you need to change the whole laser unit but not the polygon motor.

E7 02 Content Laser trouble
Detail BD signal from LSU is kept OFF, or ON.
Cause The connector of LSU or the harness in LSU
is disconnected or broken.
The polygon motor does not rotate normally.
The laser home position sensor in LSU is
shifted.
The proper voltage is not supplied to the
power line for laser.
Laser emitting diode trouble
PCU PWB trouble
Controller PWB trouble
Check and
remedy
Check for disconnection of the LSU
connector.
Use DIAG (SIM 61-1) to check LSU
operation.
Check that the polygon motor rotates
normally or not.
Check light emission of laser emitting diode.
Replace the LSU unit.
Replace the PCU PWB.

Replace the Controller PWB.

Mar 15, 2010 | Toshiba E-STUDIO 650 Copier

1 Answer

E7-00


E7 00 Content ICU communication trouble (ICU
detection)
Detail Communication setup error,
framing/parity/protocol error
Cause Slave unit PWB connector improper
connection
Slave unit PWB – ICU PWB harness
trouble
Connector pin breakage of the motor
PWB of the slave unit PWB
Slave unit ROM trouble. no ROM, ROM
reverse insertion, ROM pin breakage

May 01, 2009 | Sharp AR-507 Copier

2 Answers

Gas Package Unit Keeps Running with all T- stat wires unpluged at the unit?


does that unit run heating or just the fan run? if just the fan you may have a bad fan thermostat

Oct 21, 2008 | Goodman CLQ36AR49 Air Conditioner

5 Answers

E 7 sub code 20


the error code is E 7 - 02 cant find solution, help

Oct 13, 2008 | Sharp AR-5316 Advanced Digital Imager...

3 Answers

E7 problem


E7 codes deal with the optical scanner unit and or the laser unit. It could also be the lamp in the scanner unit. The E7 is the main code. There is a sub code associated with it. To view the sub code hold down the start button. Below is a list of specific codes and their meanings:
E7-02: LSU trouble
E7-10: Shading trouble (Black Correction)
E7-11: Shading trouble (White Correction)
E7-12: Shading Trouble
E7-16: Abnormal laser output
If it is a laser (LSU) issue then the LSU may need replacing.
If it is a shading error the first step is to remove the platen glass carefully (with the power off because the inverter board). There is a thin white strip on the bottom side of the platen next to the slit glass. Clean this white strip with a soft cloth and a small amout of isopropyl alcohol.
Dust on the optics can also cause shading reference errors so gently blow off the mirrors with canned air.
Perform the following key procedure to reset error:
"#" key, Interrupt key, "C" key, Interrupt key
"1" key, "4"key
Start key, "CA" key.
See if unit cycles and comes back up. If not turn off and then back on the main power.
If error reappears on site technical service may be required.

Jan 06, 2008 | Sharp AR-5316 Advanced Digital Imager...

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