ZOJE WR580, Руководство по эксплуатации продукта

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Error solutin
• Trouble shooting precedure
• 1 ） to check the relay which running in 220V whether it sounds like tick-tock.
• 2
）
to check the voltage of UDC in panel’s monitor interface.
• 3
）
when the voltage is wrong in UDC,recheck R143’s resistance(100 Ω ) C77’s resistance:3.8M
and the voltage between foot1 toward foot4 in U9:0.56V
【
The picture for repair is sharing with
E111
】
• 4
）
To check the C21’s resistance in mainboard whether it is 11.5K
；
Standing by 80V insolation
transformers,to check the voltage whether it is around 2.1V and the resistance of R91 should be
1K.
• 5
）【
running by 80V isolation transfromers
】
Check the resistance between foot1 and foot2 of
Q10 in mainboard whether it is around 6.6K;standing by voltage should be around 0.28V;the
resistance between foot3 and foot2 should be 10.5K and the standing by voltage should be
around 2.1V.
E16 --- OZ loop trouble
（
can’t be enter for 1s and oz interrupted
）
mainboard
R91/C21
Q10
【
2N5551
】
foot
1 2
3
【
BP1
】
low EMF coefficient