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NIAGARA
Installation, Operation & Maintenance Manual M600
Rev. E 40
8.0 TROUBlEShOOTing
Sr.
No. Problem
Possible Cause
Corrective Action
1
Instrument dead
1. Power off
1. Switch on power
2. Loose wiring
2. Check wiring
3. Fuse blown
3. Replace fuse
4. Mains not available
4. Check mains supply
2
Current output
1. Wires may be open
1. Check wiring
not available
2. Power supply card
2. Replace card
or amp may be faulty
Consult Factory
3
LED display blank
1. Fuse may be blown
1. Check and replace fuse
2. Power supply card
2. Replace Card
may be faulty
Consult Factory
4
Alarm signal at wrong
Setpoints for alarm may be
Check the programmed values
flow rate value
incorrect
of the alarm setpoints
5
Display black near edges
Very high temperature
Contact factory
generated inside enclosure
6
Poor readability of display
1. Viewing angle
1. Adjust viewing angle
2. Environmental brightness
2. Adjust contrast by trim pot
provided just below display
7
Relay output not available
Incorrect of loose wiring
Check wiring
Summary of Contents for 6600 Series
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Page 15: ...NIAGARA Installation Operation Maintenance Manual M600 Rev E 12 ...
Page 29: ...NIAGARA Installation Operation Maintenance Manual M600 Rev E 26 ...
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