Electrolux T3900 Service Manual page 40

Service
21
21. Controls
manual
1
Sliding Door
Troubleshooting: No light on display D
S
1
No light
on display
D
D
Power
ON OFF
ON/ OFF
1
Check S Make sure
emergency stop main control
is not switched off switch is ON
or is loose
2
Check line
fuses
Check
F4 fuse on
Process
module
2
Check
all electrical
connections
and tighten any
loose connections
Replace
User module
circuit board
F4
8
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