2
• Damaged motor bearing or impeller (need to contact the supplier for repair).
8.4 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 E203 RTC time reading error
13 E204 Display Board EEPROM reading failure
14 E205 Communication Error
15 E207 No water protection
16 E208 Pressure sensor failure
17 E209 Loss of prime
Note:
1. When 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.
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