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Troubleshooting
Fault
Cause
number
E108
4-20 output error
E109
Sensor failure
Err 110
Sensor interface
failure
Err 112
Zero calibration
failed
Err 113
Span calibration
failed
Err 115
Gas value is under
range
Err 117
A magnetic key is
stuck "on" for more
than 1 minute
Err 119
Multiple consecu-
tive invalid gas
readings occurred
Err 121
PIR LOCK ON with
relays set to ENGR
OFF.
Err 122
ICOM data error
Err 124
Beam Block error
Err 131
Cannot set PIR
lock
18
Remedy
Remove power; check the
field wiring from the Poly-
tron 5x00 to the control
system; reapply power.
Remove power; reconnect
or replace sensor; reapply
power.
Remove power; reconnect
or replace sensor; reapply
power; if this persists, call
Dräger Service.
Calibrate sensor.
Calibrate sensor.
Perform zero calibration.
Check environment for
possible gases with nega-
tive cross-sensitivity to the
measured gas.
Have the instrument
checked by DrägerService.
Check 'diag scan'; refer to
PIR 7x00 Technical Hand-
book section "Faults,
Cause and Remedy" for
more information.
Configuration conflict for
proper safety operation.
Reconfigure relay ENGR
settings to resolve.
Sensor communications
error. Remove power;
reconnect or replace sen-
sor; reapply power; if this
error persists call Dräger
Service.
Clean optical surfaces; if
necessary, make sure that
hydrophobic filter, process
cuvette or process adapter
are correctly mounted.
Refer to PIR 7x00 Techni-
cal Handbook, section
"Check the Measuring
Cuvette of the Gas instru-
ment and Clean if
Required" and section
"Faults, Cause and Rem-
edy" for more information.
A1 and A2 settings and set
point are not identical. Cor-
rect relay settings before
engaging PIR LOCK.
Fault
Cause
number
Err 198
Memory error
E198
Boot-load CRC
error
Err 199
Factory calibration
required
10.2 Warnings
Warning
Cause
number
Info 300
Instrument set-
tings and sensor
settings are differ-
ent
Info 301
Sensor is warming
up
Info 302
Beam block warn-
ing
Info 303
Factory Defaults
overwrite warning
Info 305
Gas Category, Gas
Type, Gas Unit or
FSD has changed.
Info 306
Exceed sensor
temperature of 75
°C
Instructions for use
Remedy
Have the instrument
checked by DrägerService.
Have the instrument
checked by DrägerService.
Have the instrument
checked by DrägerService.
Remedy
To select instrument set-
tings, tap [DOWN]. To
select sensor settings tap
[UP]. After selection is
made, display will show
'walking dashes'. When
data transfer is complete,
display will show 'CHk
CONF CAL'. Tap [OK] and
instrument will display
'walking dashes' then
return to normal operation.
Wait for warm-up phase to
end.
Clean optical surfaces; if
necessary, make sure that
hydrophobic filter, process
cuvette or process adapter
are correctly mounted.
Refer to PIR 7x00 Techni-
cal Handbook, section
"Check the Measuring
Cuvette of the Gas instru-
ment and Clean if
Required" and section
"Faults, Cause and Rem-
edy" for more information.
Tap [OK] and Factory
Defaults are loaded from
the instrument into the sen-
sor. CHk CONF CAL is dis-
played. Tap [OK] and
instrument will display
'walking dashes' then
return to normal operation.
Tap [OK] to acknowledge,
check all configuration val-
ues and re-check the cali-
bration.
Reduce temperature, cover
device with sun shield.
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Dräger Polytron 5000 Series
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