FY-TECH FY-1WH, Instruction Manual, Page: 8 / 10

1) Troubleshooting
Page 6
Lamp tube does not work
1) Lamp tube damaged
2) Lamp not plugged in
3) SCR damaged
Lamp tube lights all the time 1) SRC damaged
Digital display does not work
or is incomplete
1) Flat wire unplugged in
circuit board
2) Digital display damaged
Can not adjust temperature
and time switches
PROBLEM
CAUSE SOLUTION
1) Check lamp tube
2) Check connections
3) Check SCR
1) Check SCR
1) Check
2) Check digital display
flat wire
1) Potentiometer damaged
2) Timer damaged
1) Check whether the
potentiometer is in proper
working condition
2) Check whether the timer is
in proper working
condition
6. Troubleshooting