Wigam 8857, Руководство пользователя

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TROUBLESHOOTING
LCD DISPLAY
Top
M i d d l e
B o t t o m
First of all, the LCD right side is divided
into three parts for easy explanation.
1. Power on but no display.
a)Make sure the time of pressing
key is more than 0.1 second.
b)Check the batteries are in place and in
good contact with correct polarity.
c)Replace a new battery and try again.
d)Move away the battery for one minute
andput back again.
2. Power on, LCD on, but no display
immediately.
a)Circuit error in RH measurement
channel; return the meter to the dealer
for repairing.
3. Display disappear
a)Check whether the low battery
indicator displayed before Display
disappear, if yes, replace a new battery.
b)Turn on the meter by pressing
+
key to disable auto power off
function for long time using.
4. TOP display E9 (Calibration failure)
a)Check whether the low battery
indicator displayed before calibration, if
yes, use new batteries and try again.
b)Make sure the good sealing when the
meter probe plugged into the salt bottle.
c)Make sure the free air temperature is
within 23.2 degree C when calibration.