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Installation Guide
Power Monitoring
H81xx
Troubleshooting
Z205338-0F
Page 10 of 10
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Problem
No display
Reported power too low
Reported power inaccurate
Accuracy not as specified
No Pulse output (H8163 and H8167)
Pulse output wrong, display OK (H8163
and H8167)
No Phase Loss output (H8163 and
H8167)
"bAd" appears in the display (H8163
and H8167)
Accuracy not as specified
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Other companies' trademarks are hereby acknowledged to belong to their respective owners.
www.calcert.com
15
10
20
5
25
0
30
· Check external fuses.
· Verify that the display cable has not been disconnected during installation.
· Verify voltage leads are properly connected.
· Verify CTs and terminals are color-matched.
· Check for phase loss.
· Check external fuses.
Verify meter and CTs have matching serial numbers (serial number matching does not apply if using
100 A CTs).
· Verify CTs and terminals are color-matched.
· Verify that no stray conductive materials (wire clippings, etc.) have shorted between the terminals.
· Verify power is supplied in the range of 5-24 VAC/DC, with a max. load of 100 mA.
· The pulse output internal is 200 msec; verify the controller accepts this signal as input.
Set the pulse rate switch and the controller to match kWh/pulse.
Verify power is supplied in the range of 5-24 VAC/DC, with a max. load of 100 mA.
Verify that the Pulse Rate slide switch is set to a valid value. 0.1 is not valid for 1600 A systems; 0.1
and 0.25 are not valid for 2400 A systems.
Verify current transformers and terminals are color-matched.
Solution
sales@calcert.com
TM
09132
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