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2. Protect mode
(1) Symptom
1) After lighting once it does not discharge minutely from the module. 2) The relay falls.(there is an audible �Click�.) 3) The color of the front LED turns from green to red.
(2) Follow check
Start Check
Is the Power Board normal ?
No
Is the output the normal Low/High voltage except for the Stand-by 5V?
No
Replace Power Board.
Yes No Are all the connectors normal? Yes No Is the appropriate fuse (FS2,FS3) on the Y-B/D? Yes Yes Replace the fuse. No Is the output voltage normal after removing the P1 connector of the Y-B/D? No Replace the connector.
After checking each connector does is operate correctly?
Is the Y-Board normal?
Replace the Y-Board.
Is the Z-Board normal? Yes
No
Is appropriate fuse (FS1,FS2) on the Z-B/D? Yes
No
Is the output voltage normal after removing the P1 connector of the Z-B/D?
Replace the Z-Board.
Replace the fuse.
No Is the X- Board normal?
Is the output voltage normal after removing the P100, 110, 200, 210 connector of the X-B/D?
After removing the P100, 110 and the output voltage is normal : Replace the Right X-B/D After removing the P200, 210 and the output voltage is normal : Replace the Left X-B/D
