In the menu, press UP / DOWN key to select load test. Press
ENTER key to load test. It will show:
6
Do not shut down the engine during the test. All electrical
appliance and device should be in OFF. During the test,
turning on / off any electrical appliance in the vehicle will affect
the accuracy of the test result.
The battery voltage will be different because of different
engine conditions.
Normally, charging voltage cannot be lower than 13.3V, higher
than 15.0V even in high-speed rotation.
NOTE:
Charging system voltage is not enough.
Please check if generator belt slips or runs off, if the generator
connects well with the battery.
If the generator belt and connection are good, please follow
the manufacturer’s suggestion to avoid generator failure.
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Please turn on all the electrical appliance and device
Start engine, and wait for 15 seconds! Press ENTER key to
start load test!
At the same time, start engine. When engine running is stable,
press ENTER key to display test state:
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Load test
Charging voltage is too low:
Generator output voltage is too high.
Since most of the vehicle generators are using internal regula-
tor, the generator assembly has to be replaced. (Some old
vehicle are using external regulator, then replace the regulator
directly.)
Normally, the maximum voltage of regulator is 14.7V. If
charging voltage is too high, the battery will be overcharged,
which will shorten battery life and cause battery failure.
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Charging voltage is too high:
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