22
7. TROUBLE SHOOTING
7.1 L.E.D Display on PM435
7.2 Error Code on Monitor
ERROR CODE DESCRIPTION
8001 Lose communication
8003 Battery voltage low
8004 Battery voltage high
8005 PV voltage low
8006 PV voltage high
8010 Battery temperature high
8011 Battery temperature low
8012 Internal temperature high
8013 Starter battery voltage low
8014 Starter battery voltage high
8015 Over load
8016 Output short circuit
8017 Module protection
No. LED COLOUR STATUS DESCRIPTION
1 Mains Green Quick ashing (ash twice every second) AC input abnormal
2 Str Bat Green Quick ashing (ash twice every second) The Starter Battery is 2~13.4V or >16.0V, while AC
power is connected.
3 PV Green Quick ashing (ash twice every second) Solar input voltage error – Solar input >50Vdc
4 Fuse LED Red Solid Fuse blown, need to check load and replace fuse
5 Fault Red
ON Short circuit
Flash once per cycle Service battery voltage low
Flash twice per cycle Service battery voltage high
Flash 3 times per cycle PM435 unit over temp
Flash 4 times per cycle Bulk charge timeout
Flash 5 times per cycle VCR anomaly
Flash 6 times per cycle Environment over temp
ERROR CODE DESCRIPTION
8018 Battery maintenance notice
8027 VCR connect is error
8028 VCR disconnect error
8030 Environment temperature is high
8031 Bulk stage time-out
6.4 MAINTENANCE
6.4.1 Battery Monitor Maintenance
There is a built-in battery measurement in the PM400 & PM435-BT systems.
To assure the accuracy, maintain the system with the following instructions:
1. Fully charge the battery from AC grid instead of PV every 2 weeks.
2. Do a full charge to the battery every 3 months.
• Charge the battery with AC grid until the ‘CHG’ LED light on PM435
unit or ‘FLOAT’ shows on the monitor
Every 3 months, the monitor will display
a code (8018) suggesting maintenance.
If you have performed maintenance and
would like to turn off this alarm, press
‘SILENT’ button for 1s.
Only the energy consumption of the loads
connected on the PM435 is measured and
calculated in the data on the Monitor.
6.4.2 Daily Maintenance
• Conrm the Battery Switch is turned on when you want to charge
the battery with the AC grid.
• Check the nominal battery voltage is 12VDC.
• Ensure the space (5cm each side) beside the PM435 unit for the
appropriate ventilation
Upon long time parking, you are
recommended to switch off the local
Battery Switch on main panel of PM435
power unit or remote switch to cut off the
consumption of the service battery.
Table 23 Error code list
Table 22 Error LED indicator of PM435
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