Panasonic KX-FT21RS - Manual (Page 14)

1.14. MAINTENANCE ITEMS AND COMPONENT LOCATIONS
1.14.1. OUTLINE
MAINTENANCE AND REPAIRS ARE PERFORMED USING THE FOLLOWING STEPS.
1. Periodic maintenance
Inspect the equipment periodically and if necessary, clean any contaminated parts.
2. Check for breakdowns
Look for problems and consider how they arose.
If the equipment can be still used, perform copying, self testing or communication testing.
3. Check equipment
Perform copying, self testing and communication testing to determine if the problem originates from the transmitter, receiver or
the telephone line.
4. Determine causes
Determine the causes of equipment problem by troubleshooting.
5. Equipment repairs
Repair or replace the defective parts and take appropriate measures at this stage to ensure that the problem will not recur.
6. Confirm normal operation of the equipment
After completing the repairs, conduct copying, self testing and communication testing to confirm that the equipment operates
normally.
7. Record keeping
Make a record of the measures taken to rectify the problem for future reference.
1.14.2. MAINTENANCE CHECK ITEMS/COMPONENT LOCATIONS
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KX-FT21RS