October 2008 "2033ES / 2633ES" Service & Parts Manual - ANSI Specifications
Page 4-22
PROBLEM DIAGNOSIS
Troubleshooting Battery Charger (continued)
• Connect the charger to a different AC outlet (on a different circuit) in the
building.
• If the charger operates properly on other AC outlets, a qualified Person
should correct the AC outlet problem.
• If the AC supply checks good, the charger should be replaced.
The AC line
circuit breaker
or fuse is blown
A defective circuit breaker or fuse, overloaded circuit, or a charger problem can
cause this condition.
• Check battery condition following the battery supplier’s instructions.
• Check for dead cells or reduced capacity.
• Replace charger only if other problems are not found.
Batteries do not
fully charge
If the batteries are charged overnight, make sure the AC supply is not being
switched-off at night with other building items.
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