Dräger Polytron 8000 Series Technical Manual page 36

Troubleshooting
Byte Value Error description
E7 0x80 Parameters for measuring mode
switches are not supported
E8 0x01 No extension block present in the
sensor
E8 0x01 The sensor transmits its fault sig-
nal
E8 0x02 Sensor test failed
E8 0x02 Basic initialization required
E8 0x02 Inconsistency of the analog signal
E8 0x04 Potentiostat voltage cannot be
read
E8 0x04 Supply current is not OK
E8 0x08 Internal potentiostat voltage can-
not be read
E8 0x08 Clean mirror
E8 0x08 Signal outside the permissible
range
E8 0x10 Too many lookup values in the
sensor
E8 0x10 Analog pellistor voltage outside the
permissible range
E8 0x20 Sensor EEPROM not supported
E8 0x20 Reconfigure the gas
E8 0x40 SIOS cannot process sensor test
parameters
E8 0x40 Terminal voltage is not OK for the
PIR 7x00
E8 0x80 Sensor test failed, sensor can be
refilled
E8 0x80 ICOM and 4 to 20 mA interfaces of
the PIR 7x00 transmit different val-
ues.
E9 0x01 Incorrect sensor part number (sen-
sor lock activated)
E9 0x02 Compulsory sensor test during
startup failed
E9 0x04 Reference electrode test failed
E9 0x08 An error occurred when filling the
sensor data buffer
E9 0x10 Communication error or timeout
during sensor test
E9 0x10 P 8000 cannot set the measuring
range of the PIR 7x00
36
Remedy
Replace sensor
Replace sensor
Replace sensor
Replace SIOS assembly
Disconnect and reconnect sensor
Replace SIOS assembly
Disconnect and reconnect sensor
Replace sensor
Replace sensor
Replace sensor
Refill electrolyte
Deactivate sensor lock or use a sensor with the
correct part number
Check connection to SIOS and sensor
Replace sensor
Disconnect and reconnect sensor
Replace sensor
Disconnect and reconnect sensor
Replace sensor
Disconnect and reconnect sensor
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Technical Manual
Digital Communication - Modbus RTU