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Dräger Polytron 7000
Troubleshooting
3. Select
Next
.
The current measured value and the gassing time are displayed.
4. Wait until the measured value has stabilised. When the displayed measured
value has stabilised (max. wait time = 3 minutes), select
calibrate
.
With some sensors, the gas detector recognises by itself if the measured
value has stabilised. If one of this sensors is installed, the gas detector starts the
calibration automatically, without the need to select
calibrate
manually.
The target value and the current value are displayed.
5. End the target gas supply.
6. When the current value is equal to the target value, select
Accept value
.
7 Troubleshooting
If the display is without function, have the gas detector checked by Dräger.
The fault or warning numbers listed below are displayed in the menu (see
section 4.4.4).
7.1 Fault
Option
Description
Test gas cylinder
Set the pressure reducer to a flow rate of 500 mL/min.
Test gas ampoule
Break the test-gas ampoule in the calibration flask.
Gas bag
Fill the gas bag using the test gas cylinder. Connect hose
leading to the pump module with gas bag.
Test gas cylinder
and flowmeter
Slowly open the pressure reducer of the test gas cylinder
until the flowmeter indicates a flow.
Number
Cause
Remedy
# 1
Serious data error in the
measurement module –
various causes.
Reset the measurement module to the
factory settings (see section 9.8).
If the error persists, have the gas
detector checked by DrägerService.
# 2
Serious device error – vari-
ous causes.
Have the gas detector checked by
DrägerService.
# 61
Data error on the interface
card – various causes
Have the gas detector checked by
DrägerService.
# 63
Hardware or software fault
in the pump module.
Replace the pump module.
# 64
Flow rate of the pump
module undershoots the
error threshold.
Reliable measurements
are no longer possible.
Check hoses for blockages, re-adjust
the flow rate, if necessary.
# 65
3-wire cable interrupted.
Check connections
# 67
Relay module not con-
tacted correctly.
Check the connector of the relay mod-
ule or re-plug.
