How To Check In The Event Of An Error - Sharp AX-1100 Service Manual

[2] How to check in the event of an error

1. How to check water supply performance
Check the plumbing of the tubes.
If the plumbing is normal, check the performance of the tube pump assembly.
1) Check of plumbing
Are tubes bended?
Are tubes broken?
Are tubes choked?
Are tubes inserted certainly?
Is the plumbing of tubes correct?
Correct the plumbing.
2) Check of tube pump performance
Mesure the weight of the water tank filled with
water to MAX mark.(This is initial weight A g.)
Set the water tank to the oven and power ON
( open the door and close.).
Start the 10 minutes Steam High cooking.
Confirm that water is flowing at the feed-water
inlet of the engine unit.
Engine unt
YES
The 10-minutes
one (1) minute, the pump motor does not run to evaporate
dew in engine unit.)
Open the door and drop water remaining in the oven cavity into the drip tray. Then close the door.
Cast off accumlated water in the drip tray.
Ensure that the drip tray is empy and set it to the oven.
Remove the water tank from the oven.
Yes
NO
Yes
NO
Are the wire leads connected to the pump
motor and thecontrol unit ?
Is there rating voltage at the motor
terminal ?
Press the Stop key to stop operating.
NO
Is there breakage or clogging the tubes ?
Feed-water
inlet
is finished.(For the last
Afte 20 seconds, remove the drip tray and return accumlated
water in the drip tray to the water tank.
Measure the weight of water tank.
(Weight after operation is B g .)
Repair or exchange the tube.
Check the performance of the tube pump assembly.
YES
YES
NO
Replace the pump motor or the tube pump assembly.
Is the weight reduction ( = A-B ) equal tor more
than 100 g ?
10 – 2
AX1100(R)
NO
After stopping the operation,
connect the wire leads.
NO
Press the Stop key to stop
operating.
Replace the control unit.
YES
Replace or repair the tubes.
NO
YES
Normal