1. Troubleshooting
6. Troubleshooting
Light tube does not work
Digital display is blank or
is incomplete
Time cannot be adjusted
a. Light tube damaged
b. Lamp is not plugged in
a. Unplugged flat wire in
circuit board
b. Digital display damaged
a. Switch imbalance
b. Key board has exclusion
a. Check light tube
b. Check the connections
a. Check flat wire
b. Check digital display
a. Check the installation
of switch
b. Check keyboard exclusion
PROBLEM
CAUSE
SOLUTION
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