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11. Troubleshooting
Problem
Light tube
does not work
Light tube does
not turn off
Digital display
is blank or
is incomplete
Temperature and
time cannot be
adjusted
12. Circuit diagram
DT3 Version
AC 220V
DT6 Version
Cause
Light tube damaged
Lamp is not plugged in
Control silicon damaged
Control silicon damaged
Unplugged flat wire in circuit board
Digital display damaged
Switch imbalance
Circuit board damaged
K1
K1
G1
G1
G2
G2
K2
K2
Control Transformers
Power Switch
K1
K1
G1
G1
K2
K2
G2
G2
Power Switch
ENGLISH
Solution
Check light tube
Check the connections
Replace control silicon
Replace control silicon
Check flat wire
Replace digital display
Check the installation
of switch
Replace digital display
F
FAN
PCB
G1
K1
G2
K2
Distance board
A
B
C
F
FAN
PCB
Control Transformers
G1
K1
G2
K2
Distance sensor
A/C Contactor