Error And System Messages - GREISINGER GMH 3250 Bedienungsanleitung

H35.0.02.6C-09

10 Error And System Messages

Error or system
messages
No display
or
mazy characters
Operating Manual GMH 3250
Description / Reason
No sensor connected
sensor/cable damaged
Low battery voltage
device will only continue operation for
a short time
Low battery voltage
- If mains operation: wrong voltage
- Battery voltage too low
- If mains op.: power supply defective
or wrong voltage/polarity
- System error
- Device defective
Values exceeding measuring range
Sensor/cable defective
Values below measuring range
Sensor/cable defective
Values below display range
System fault
Instrument not within working tem-
perature
Value could not be calculated
Remedy
Connect one sensor at least
Replace sensor/cable
replace battery
replace battery
replace power supply, if fault continues to exist:
device damaged
replace battery
check/replace mains supply
disconnect battery or power supply, wait for a
short time, re-connect
return to manufacturer for repair
Are there any values exceeding the measuring
range specified?
->temperature too high
Display resolution set to 0.1°?
-> set to 'Auto'
-> replace probe
Are there any values below the measuring
range specified?
-> temperature too low
Display resolution set to 0.1°? -> set to 'Auto'
for DIF-channel and difference<-2040°
-> temp. difference too low
-> replace probe
for DIF-channel and difference <-1999°:
exchange sensors
CH1<->CH2 (watch out for offset setting!)
switch on again: if fault continues to exist, de-
vice is damaged
-> return to manufacturer for repair
keep working temperature in between -
25...50°C
One measuring variable required for calculation
is missing (no sensor) or incorrect (over-
flow/underflow)
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