Reference Manual
00809-0100-4029, Rev AA
July 2005
Rosemount 2110
3-2
Maintenance
NOTE
If using a brush to clean, ensure it is of a soft type.
Troubleshooting
If there is a malfunction, see Table 3-1 for information on possible causes.
Table 3-1. Troubleshooting chart.
Spare Parts
See “Accessories” on page A-7.
Fault
Symptom/Indication
Action/Solution
Does not switch
• No LED; no power
• Check the power supply; (check
load on direct load switching
electronics model)
• LED 3 flashes per second
• Internal failure; contact supplier
• LED 1 flash every 2 seconds
• Uncalibrated; return to supplier
• LED 1 flash every 4 seconds
• Load fault; load current too high,
load short circuit; check
installation
• Fork damaged
• Replace
• Thick encrustation on forks
• Clean the fork with care
• 5 second delay on changing mode/delay
• Wait 5 seconds
Incorrect switching
• Dry = On, Wet = On set correctly
• Check wiring in the connector.
See “Mode Selection” on
page 2-4
Faulty switching
• Excessive electrical noise
• Suppress the cause of the
interference
21
10
_0
7a
a, 2
1
10
_20
aa
, 2
1
1
0
_
1
2
a
a
4029 Rev AA Book.book Page 2 Wednesday, July 6, 2005 8:09 AM
Summary of Contents for Rosemount 2110
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