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OPERATING AND MAINTENANCE MANUAL
SOLAR PUMPING GROUP
7. MAINTENANCE
7.1. Regular maintenance project
•
The output voltage of each panel is in the normal range..
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The tightness of the terminal screws.
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Check if there is any liquid / dust / scrap etc... in the controller.
•
Check if there is any noise or vibration from the pump when the system is switched on..
7.2. Attention during maintenance.
•
Disconnect input power to the controller before maintenance..
•
Disassembled metal spare parts cannot be placed in the controller, which will lead to an open
circuit of the controller..
•
Keep the controller clean after maintenance, prevent dust or liquid from entering the controller.
8. ERROR CODE AND MEANING
E001: Overcurrent protection
E002: Voltage protection
E003: Current + Voltage Protection
E004: Tank Protection
E005: Overcurrent + Tank Protection
E006: Voltage + Tank Protection
E007: Current + Voltage + Tank Protection
E008: Under well level protection
E009: Low level + Overcurrent Protection
E010: Low level + Voltage protection
E011: Low level + Current + Voltage Protection
E012: Tank + Low level + Low level protection
E013: Tank + Low level + Current protection E014: Tank + Low level + Current protection
E014: Tank + Low Level + Voltage Protection
E015: Tank + Low Level + Current + Voltage Protection E015: Tank + Low Level + Current + Voltage
Protection
E016: Data error
E032: Verification error
E064: Communication failure (try disconnecting everything and restarting)
E064: Communication failure (try disconnecting everything and restarting)
E065: Communication failure (try disconnecting everything and restarting)
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