AVL AVL DiCom 4000, Service Manual

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4000 4-/5-Gas Measuring Instruments Unit
Service Manual 5-27
Primary error symptom Primary cause
(of error)
Secondary cause of
error Possible tests/
establishing cause Remedy
Temperature range 5 to 40° C (465)
temperature range 5 to 45° C (4000)
exceeded or undershot Ensure required
operating conditions
Instrument place in room near door,
significant temperature fluctuations Ensure required
operating conditions
Instrument placed near radiator Ensure required
operating conditions
Instrument place in hot sunshine Ensure required
operating conditions
Petrol or solvent in the ambient air Air the room
Mains interference due to powerful
power-consuming equipment Use a different plug
socket
EMC interference due to drills, welding
apparatus, radio equipment Clear or suppress
interference
General
EMC interference due to defective
automobile/truck ignitions Clear or suppress
interference
The status values ES, CO2CS, COCS, HCCS, SCCS, ZS, DSM
and the raw data displayed in service mode can be used for
more detailed error analysis.