MSA DF-8500 - Error Code

DF-8500 Gas Detector
9.2
Error Code
If any error code is displayed, the device will not be able to function properly. If the error
code persists after the restart, the device is faulty.
62
Error
Code
Meaning Possible cause Countermeasure
BOOT
Device has not been
configured
The circuit board is new
Configure the gas type
E-07
flash self-check fault Mainboard fault
Replace the
electronic module
E-08
RAM self-check fault Mainboard fault
Replace the
electronic module
E-09
Information Flash
CRC check fault
Mainboard fault
Replace the
electronic module
E-10
Watchdog fault Mainboard fault
Replace the
electronic module
E-11
ADC24 check fault Mainboard fault
Replace the
electronic module
E-12
ADC10 check fault Mainboard fault
Replace the
electronic module
E-13
Relay check fault Mainboard fault
Replace the
electronic module
E-14
Task check fault Mainboard fault
Replace the
electronic module
E-16
Information flash
write fault
Mainboard fault
Replace the
electronic module
E-17
External reference
check fault
Mainboard fault
Replace the
electronic module
E-20
Zero calibration timeout
Mainboard fault
Replace the
electronic module
E-21
Span calibration timeout
Unstable zero gas flow
Stabilize the
zero-gas flow
E-22
Periodically PC check fault
Unstable gain gas flow
Stabilize the
gain gas flow
E-23
Periodically stack check fault
Mainboard fault
Replace the
electronic module
E-24
Periodically general purpose
register check fault
Mainboard fault
Replace the
electronic module
E-25
Periodically SFR check fault
Mainboard fault
Replace the
electronic module
E-26
Periodically voltage
check fault
Mainboard fault
Replace the
electronic module
E-27
Interrupt fault
Mainboard fault
Replace the
electronic module
E-28
Sensor missing
1)mainboard fault
2)sensor damage
3)sensor not connected
1 ） Replace the electronic module
2
） Replace new sensor 3 ）
Reconnect the sensor
E-32
Temperature sensor fault
Mainboard fault
Replace the
electronic module
E-34
ADC10 stuck at high fault
Mainboard fault
Replace the
electronic module
E-35
ADC24 stuck at high fault
Mainboard fault
Replace the
electronic module
E-36
RAM soft error fault
Mainboard fault
Replace the
electronic module
LOOP
4~20 mA signal fault Mainboard fault
Replace the
electronic module