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Emerson Process Management GmbH & Co. OHG 8-5
Instruction Manual
HASAxE-IM-HS
05/2006
Message / Level Potential Cause How to Solve
8 Troubleshooting
Channel related messages (preceded by a channel tag, e.g. CO2.1)
Alarm Level1
- -
Explanation:
Concentration alarm
level 1 is activated
(exceeded)
Alarm level 1 was exceeded Adjust the gas concentration to
be within the set limits
Alarm Level2
- -
Explanation:
Concentration alarm
level 2 is activated
(exceeded)
Alarm level 2 was exceeded Adjust the gas concentration to
be within the set limits
8-2 Solving Problems Indicated by Status Messages
ADC-Error
Failure
Explanation:
"A/D conversion
finished“ signal is
missing
If the message appears with
always the same channel tag:
1. The A/D converter of the
related channel is defective
2. Positive or negative reference
voltage is missing
3. Light barrier signal is missing
4. IR channel: Chopper motor not
turning
5. Internal 6 V supply voltage is
missing
1. Switch analyzer OFF and ON
again
2. Check reference voltages
3. Check light barrier connection
to electronics board BKS
Check ( 8-4-3-1-5)
4. Check chopper connection to
electronics board BKS
Check ( 8-4-3-1-5)
5. Check ( 8-4-3-1-1)