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6.5 MAINTENANCE
6.5.1 Battery SOC Monitoring
The PM235J transformer unit features built-in state of charge (SOC) monitoring for the house battery. To ensure accurate display of this
information on the LCD monitor and in the app, the following conditions must be adhered to:
1. Battery capacity is set correctly in the LCD or app – refer to your battery specications.
2. When replacing a battery, ensure it is fully charged via AC mains for the rst time.
3. Fully charge battery via AC mains at least once every 3 months, until the ‘CHG’ LED light on the PM235J transformer unit remains on
(solid) or ‘oat’ shows on the monitor.
6.5.2 DAILY MAINTENANCE
• Ensure the Power Switch on the transformer unit is ON when you want to charge the battery with AC mains.
• Check the nominal battery voltage is 12VDC.
• Ensure there is space (10cm each side) beside the PM235J unit for the appropriate ventilation.
7. TROUBLE SHOOTING
7.1 L.E.D Display on PM235J Transformer Unit
7.2 Error Code on LCD Monitor
Table 17 Error LED indicator of PM235J
Table 18 Error Code List
ERROR
CODE
DESCRIPTION
8001 Lose communication
8003 Loss of communication
8004 Battery voltage high
8005 Solar voltage low
8006 Solar voltage high
8010 Battery temperature high
8011 Battery temperature low
8012 Internal temperature high
8013 Vehicle battery voltage low
No. LED COLOUR STATUS DESCRIPTION
1 Mains Green Quick ashing
(ash twice every second)
AC input abnormal
2 Vehicle Bat Green Quick ashing
(ash twice every second)
The vehicle battery is 2~13.4V or >16.0V, while
AC power is connected.
3 Solar Green Quick ashing
(ash twice every second)
Solar input voltage error – Solar Input >25Vdc
4 Fuse LED Red Solid Fuse blown, need to check load and replace fuse
5 Fault Red ON Short circuit
Flash once per cycle House battery voltage low
Flash twice per cycle House battery voltage high
Flash 3 times per cycle PM235J 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
8014 Vehicle battery voltage high
8015 Over load
8016 Output short circuit
8017 Module protection
8018 Battery maintenance notice
8027 VCR connect is error
8028 VCR disconnect error
8030 Environment temperature is high
8031 Bulk stage time-out
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