Specifications

This list is used for checking and solving common faults and errors. The LED displays an error code
with warning sound when problem occurs. In most cases, problem should be resolved by reconnecting
cables and run a factory reset mode. If problem you encounter is not on the list below, please contact
the manufacturer for assistance.
Error Code Faults Solution
E1
Excessive overtime operation Automatic recovery after stop using for 18 minutes
E2
Overloading Reduce weight of loading
E3 Connection cable failure
Check all cables (Power cord, handset cable, motor
cable) and power plug are connected properly
E4
Power voltage unmatched
Check voltage of power supply or contact
manufacture
RES
Factory reset mode request
Run a factory reset process (Page 22)
E11 Handset fault
Reconnect handset cable, or contact
manufacture if problem does not solve
E12 Control box fault
Run a factory reset process, contact manufacture if
problem does not solve