5128A
Operators Manual
40
Error Codes
If the Product detects an internal failure, the display shows “
”. To
determine the specific fault, push and hold down
NEXT
and
EXIT
simultaneously
until the error code screen appears. The list of error codes is in Table 14.
Table 14. Error Codes
Error Code
Description
“No Analog Detected”
Internal Hardware fault.
“Internal Probe Fail”
Internal hardware fault.
“No Peltier Temp”
Internal over temperature probe fault, fans will run continuously.
“No HumGen Temp”
Internal temperature probe failure.
“Peltier High Limit”
Internal cooling sensor is above limit.
“HumGen Low Limit”
Ambient temperature of humidity generator is below operating
temperature.
“HumGen High Limit”
Humidity generator is above allowed limit. Check water supply or
ambient conditions.
“EEPROM Cfg Reset”
Unit has reset its configuration to factory default, review settings.
“EEPROM Cal Reset”
Factory calibration has been reset to default. Please contact
Fluke Calibration.