Fault
phenomenon
Reasons
Methods
No display
Power line input
errors or without
Input
Check the power line
connection and the
power supply
Display Er1
Internal sensor
errors
C h e c k t h e p i n o f
i n t e r n a l s e n s o r i f
there is a short cirsuit
Display Er2
External sensor
errors
C h e c k t h e p i n o f
e x t e r n a l s e n s o r i f
t h e r e i s a s h o r t
c i r s u i t . C h o o s e
internal sensor via
advanced setting
11
Trouble Shooting
Zhuhai IDC Software Technolog y C o ., L t d http://www.idcz h.net