User`s guide

87
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Error Code Displayed Reason for error Possible remedy
e50 O2 FAULT
O2 Probe is reporting that the stack temperature is
below the user configured minimum
This could be normal operation
e51 O2 FAULT
O2 Probe is reporting that the stack temperature is
above the user configured maximum
This could be normal operation
e52
O2 FAULT O2 Probe PPC4000 FAULT
Replace O2 Probe
e53
O2 FAULT O2 Probe PPC4000 FAULT
Replace O2 Probe
e54 O2 FAULT O2 thermocouple is disconnected or defective Check thermocouple for breakage or replace it
e55 O2 FAULT
O2 stack temperature is above the user configurable
temperature or thermocouple is defective
This could be normal operation
e56 O2 FAULT
O2 stack temperature is below 0 Celsius or
thermocouple is defective
This could be normal operation
e57
O2 FAULT O2 Probe PPC4000 FAULT
Replace O2 Probe
e58 O2 FAULT O2 probe temperature is above 85 Celsius Check O2 Probe fan
e59 O2 FAULT O2 probe temperature is below -25 Celsius This could be normal operation if it is really cold
e60
O2 FAULT O2 Probe PPC4000 FAULT
Replace O2 Probe
e61
O2 FAULT O2 Probe PPC4000 FAULT
Replace O2 Probe
e62
O2 FAULT O2 Probe PPC4000 FAULT
Replace O2 Probe
e63 O2 FAULT The 24V supply to the O2 probe is under Measure supply voltage at the probe
e64 O2 FAULT The 24V supply to the O2 probe is over Measure supply voltage at the probe
e65 O2 FAULT O2 Probe 12V supply open Replace O2 Probe
e66 O2 FAULT O2 Probe 12V supply low Replace O2 Probe
e67 O2 FAULT O2 Probe 12V supply high Replace O2 Probe
e68 O2 FAULT O2 Probe unexpected calibration fault Replace O2 Probe cartridge
e69 O2 FAULT O2 Probe stuck Replace O2 Probe cartridge
e70 O2 FAULT O2 Probe calibration needed This could be normal operation
e71 O2 FAULT O2 Probe heater shorted Replace O2 Probe cartridge
e72 O2 FAULT O2 Probe heater open Replace O2 Probe cartridge
e73 O2 FAULT O2 Probe pump short Replace O2 Probe cartridge
e74 O2 FAULT O2 Probe pump open Replace O2 Probe cartridge
e75 O2 FAULT O2 Probe nernst cell short Replace O2 Probe cartridge
e76 O2 FAULT O2 Probe nernst cell open Replace O2 Probe cartridge
e77 O2 FAULT O2 Probe conversion timeout Replace O2 Probe cartridge
e78 O2 FAULT O2 Probe low voltage Replace O2 Probe cartridge
e79 O2 FAULT O2 Probe too cold This could be normal operation
e80 O2 FAULT O2 Probe too hot Replace O2 Probe cartridge
e81 O2 FAULT O2 Probe air calibration Replace O2 Probe cartridge
e82 O2 FAULT O2 Probe heater calibration Replace O2 Probe cartridge
e83 O2 FAULT O2 Probe comm busy Replace O2 Probe cartridge
e84 O2 FAULT O2 Probe comm fault Replace O2 Probe cartridge
e85 O2 FAULT O2 Probe Sensor warming up This could be normal operation
e86 O2 FAULT O2 Probe sensor in standby Replace O2 Probe cartridge
e87
Unused Unused
e88
PPC4000 FAULT PPC4000 Internal Error Replace PPC4000 (notify Fireye about this error)