Novar Savvy Service Manual - page 14
14
DOC. #TD-0240 11/30/06
Savvy
®
Service Manual
Move the HOA switch to the up
position and, at the control relay
for that load, meter the coil.
Is 24 VAC present?
NO
YES
Determine which output is not working
and if it is programmed to fail on or off.
Outputs
Troubleshooting Chart
The
24 VAC to the relay to turn the
load off and 0 VAC to turn the load on.
At the
, move this output’s HOA switch to the
center position to turn the load on. Then move the
switch to the up position to turn the load off.
Does the equipment respond?
Savvy switches
Savvy
The
24 VAC to the relay to turn
the load on and 0 VAC to turn the load off.
At the
move this output’s HOA switch to the
up position to turn the load on. Then move the
switch to the center position to turn the load off.
Does the equipment respond?
Savvy switches
Savvy
Move the switch to the down position.
Then, contact the appropriate energy
management personnel to have them
turn the load on and off.
Did the load respond?
FAIL OFF
FAIL ON
NO
YES
Call the appropriate energy
management personnel for
instructions.
Replace the
using the
procedure provided in this
manual and make sure that the
replacement operates properly.
Savvy
NO
YES
Is the relay responding
to the HOA switch?
Meter the
output
for that load.
Is 24 VAC present?
Savvy
NO
YES
The problem is not related to
the energy management
system (EMS). It is with the
load contactor. Use standard
electrical troubleshooting
procedures to correct it.
The wire is bad.
Trace and repair it.
NO
YES
Replace the
relay.
Replace the
using
the procedure provided in
this manual and make
sure that the replacement
operates properly.
Savvy