Troubleshooting - Wohler CM 220 Bedienungsanleitung

6. Troubleshooting

6. Troubleshooting
Problem
The meter is switched on but
there is no display.
The display disappears.
Calibration failure
E 2
E 3
E 31 und E 33
E 35
e-Mail: international@woehler.de www.woehler-international.com
Solution
a) Make sure that the batteries are in
good contact and correct polarity.
b) Replace a new battery and try again.
If the low battery indicator was shown
before the display disappeared, replace
a new battery.
If the low battery indicator was shown
before the calibration, replace a new
battery.
The value is underflow.
The value is overflow.
Return the meter to the dealer for repai-
ring.
a) Self-Test failure: Turn on the meter
again in other area free of CO.
b) Sensor failure: Return the meter to
the dealer for repairing.
Wöhler CM 220
17