Probable Cause
- Stuck Key
- Illegal key activated
Corrective Action
Shut power switch "OFF" and wait 10 seconds, then turn power switch "ON". If the error continues, try gently massaging the keypad. If the error persists, replace the keypad.
Shut power switch "OFF" and wait 10 seconds, then turn power switch "ON". If the error continues, try gently massaging the keypad. If the error persists, replace the keypad.
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