Rich Solar Alpha 5 Pro Parallel failure protection
What it means: A fault in the parallel-connected battery system triggers parallel failure protection.
What to do
1) Connect the upper computer and check that each module runs properly, with no alarms or protection messages. 2) Check that the DIP switch addresses of the battery modules are set in sequence, with no duplicates and no unset addresses. 3) Check that the voltage difference between the main module and any other module is less than 0.5V. If the form does not help, contact after-sales service.
When to call service
The manual directs you to an authorized Rich Solar service dealer for this code if the steps above do not clear it. A warning: the unit may keep running, but the cause needs attention.
Source: official Rich Solar manual, page 25, read . Summary of the manual, not a reproduction.
Models this manual covers
Other Alpha 5 Pro codes
Questions
What does Rich Solar Parallel failure protection mean?
A fault in the parallel-connected battery system triggers parallel failure protection. (Rich Solar manual for the Alpha 5 Pro, page 25.)
How do I fix Rich Solar Parallel failure protection?
1) Connect the upper computer and check that each module runs properly, with no alarms or protection messages. 2) Check that the DIP switch addresses of the battery modules are set in sequence, with no duplicates and no unset addresses. 3) Check that the voltage difference between the main module and any other module is less than 0.5V. If the form does not help, contact after-sales service. The manual says to contact an authorized service dealer if it continues.
Fuel, gas and electrical work on a home battery is for qualified technicians; follow the safety section of the manual. All 6 Alpha 5 Pro codes →