13
7.4 Error code
When the device detects a failure (except for the running capacity reduction strategy and 485
communication failure), it will power off automatically and display the failure code. After power
off for 15 seconds, check if the failure is cleared, if cleared, it will resume to start.
Item Error
Code Description
1
E001
Abnormal input voltage
2
E002
Output over current
3
E101
Heat sink over heat
4
E102
Heat sink sensor error
5
E103
Master driver board error
6
E104
Phase-deficient protection
7
E105
AC current sampling circuit failure
8
E106
DC abnormal voltage
9
E107
PFC protection
10 E108
Motor power overload
11 E201
Circuit board error
12 E202
Master board EEPROM reading failure
13 E203
RTC time reading error
14 E204
Display Board EEPROM reading failure
15 E205
Communication Error
16 E206
RS485 communication Error
17 E207
Low water level
Note:
1. When causes for E002/E101/E103 is displayed, the device will resume working
automatically, however when it appears a fourth time, the device will stop working, to resume
operation, unplug the device and plug in & restart again.