SIGRIST FireGuard 2 Integral, Инструкция по эксплуатации

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Instruction Manual FireGuard 2 Troubleshooting
86 13542E/4
The following warning messages can be displayed:
WARNING
MESSAGE DESCRIPTION POSSIBLE CAUSES
V IN The input voltage is outside
the permitted range (9 to 30
VDC).

The service voltage is faulty
ADJUST FAULT Recalibration could not be
carried out.

The instrument is soiled

The nominal value for the ad-
justment does not match the
value of the checking unit
SOILING The soiling level is greater
than the set limit.

The measuring cell is soiled and
has to be cleaned

The cleaning interval is too
long

The installation position is in-
correct
FLOW RATE The flow rate monitoring has
been actuated. In the last 4
days, the value of the turbidity
gradient was always smaller
than the flow rate limit.

No air flow in tunnel

No traffic

The foreign body protector is
extremely soiled

The optics are extremely soiled
HEATER The sample heater does not
reach its nominal tempera-
ture.

Very cold environment with
high winds

The heater is defective
OVER TEMP The temperature in the in-
strument has exceeded 65 °C.

The medium or ambient tem-
perature is too high and defec-
tive/no cooling
CURRENT 1 .. 2 Current output 1 .. 2 is dis-
turbed.

Terminals are open

Interruption of the current loop
of the reading output
TEMP.SENSOR The inner temperature sensor
failed.

Defect in the electronic system

Service technician
SERVICE Shows when service work is
due.

Service work is due.
VERS.SD CARD The data on the microSD card
does not match the current
software.

Update was performed incor-
rectly.
WATCHDOG The internal fault monitoring
has been actuated.
The program has been re-
started.

Program crash
Table 3: Possible warning messages
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