Troubleshooting
Model: C570R/U
Malfunction: Display key switch malfunction.
Circumstance: Press display keys, for instance, <STOP>
，
LEVEL <
▲
> / <
▼
>.
There is no reaction, or keys operate continuously.
Possible causes: 1. Display key malfunction.
2. Key cushions are out of place.
Troubleshooting: 1. Inspect key switch cushions.
2. Replace key switches.
3-9-1
Key switches
Display board
(CPU)
SW1-SW13
Key switches
Key switch cushions
Содержание C570R
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