Dwyer PUX - Manual (Page 81)

11 - 1
11. ERROR AND REMEDY
11.1 Error in LCD Display
If an error occurs, refer to Table below.
11.2 Error of key
Status Cause Remedy
No display appears.
• Power supply is not turned on.
• Voltage is low.
• Fuse has blown.
• LCD is abnormal.
• Connection of DC power supply
is reverse in polarity.
Irrational display
Display is not clear.
Entire display is blackish.
• Hardware error
•
•
Ambient temperature is high
(50
°
or higher)
LCD has reached the end of its
service life.
Lower the temperature.
Replace the LCD.
• Ambient temperature is high
(50
°
or higher)
Lower the temperature.
See section 10 (4) "Replacement of LCD"
See section 10 (4) "Replacement of LCD"
• Line voltage is low.
• LCD is abnormal.
No response is made to key
input.
• Hardware error
Any particular key does not
function or functions in a
wrong way.
BULLETIN F-68