General Fault Isolation; Power-Up Self-Test - GE MAC 5500 Service Manual

Troubleshooting

General Fault Isolation

Use the following general methods for isolating system faults before starting any
detailed troubleshooting procedures.

Power-Up Self-Test

Power up the device. During power-up, the system conducts a series of internal tests,
as shown in the following diagram.
If the start screen opens normally, all circuits passed their tests.
If the start screen does not open normally, or if error messages were displayed during
start up, all circuits did not pass their tests. In this event, ask yourself the following
questions:
• Is the device turned on?
Refer to the operator's manual for instructions on powering up the device.
• Is the battery installed?
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MAC™ 5500/MAC™ 5500 HD
2046275-017G