
T
roubleshooting
Sequence
Operating sequence
LED display status
Remaining LEDs
Open circuit of bottom sensor
Off
“88: 88" digital section
E1 (Light on)
E2 (Light on)
E5 (Light on)
E6 (Light on)
E3 (Light on)
E4 (Light on)
C2 (Light on)
EU (Flash)
EU (Light on)
C4 (Light on)
Short circuit of bottom sensor
Open circuit of upper housing sensor
Short circuit of upper housing sensor
IGBT sensor open circuit
IGBT sensor short circuit
IGBT sensor high
temperature alarm
Control board sending
communication error
Control board receiving
communication error
No pot prompt
ERROR DISPLAY
T
roubleshooting
10
1
2
3
4
5
6
7
8
9
Page 23
User Manual