Stephan EVETR - Page 196

10 Troubleshooting
196
GA-070T-0518V2.7-HAO-EN
 Fritz Stephan GmbH
Alarm text
Priority/
type of
alarm
Sound
Possible cause
Corrective action
Battery 2 failure
HW
 Battery 2
malfunction during
mains operation or
during battery
operation
 Check battery 2, replace
if necessary
Battery 1 cal
HW
 Battery 1 requires
calibration
 Completely discharge
battery 1 and recharge
Battery 2 cal
HW
 Battery 2 requires
calibration
 Completely discharge
battery 2 and recharge
Battery 1 cycles > 500!
HW
 Battery 1 has been
charged more than
500 times
 Replace battery 1
Battery 2 cycles > 500!
HW
 Battery 2 has been
charged more than
500 times
 Replace battery 2
Alarm speaker failure
HW
 Speaker malfunction
 Only an acoustic
auxiliary alarm
sounds
(Piezo)
 Check speaker,
replace if necessary
 Contact
FRITZ STEPHAN GMBH
customer service
Blower failure 4
HW
 Internal temperature
sensor malfunction
 Contact
FRITZ STEPHAN GMBH
customer service
CO
2
pressure out of
range!
HW
 Ambient pressure
out of range
 Check ambient pressure
CO
2
temp. out of
range!
HW
 Internal sensor
temperature is
outside the operating
range
 Check the outside
temperature
CO
2
accuracy out of
range!
HW
 The measured CO
2
concentration is
outside the specified
measuring range
 Disconnect the
measuring probe and the
adapter from the tube
system, replace the
adapter, and wait 10 s.
Run zero calibration for
the CO
2
sensor.
 Clean the CO
2
sensor; if
necessary, replace the
CO
2
adapter