© 2010 SymCom, Inc. All Rights Reserved 13
PROBLEM
SOLUTION
Display is showing a
solid “LPr”
1
The unit has tripped on low power and a manual reset is required
because of the setting in #RU. Check programmed limits by turning
the MODE SELECT knob. Return the LPr setpoint to “30” in order to
stop the low power fault from occurring. Press the
RESET/PROGRAM button to perform a manual reset.
Display alternates “HPr”
1
with “RUN”
The unit has tripped on high power and is timing down RD2. Check
for a high power condition. Correct the problem checking
programmed limits by turning the MODE SELECT knob. Return the
HPr setpoint to “655” in order to stop the low power fault from
occurring.
Display is showing solid
“HPr”
1
The unit has tripped on high power and requires a manual reset
because of the setting in #RF. Correct the problem checking
programmed limits by turning the MODE SELECT knob. Return the
HPr setpoint to “655” in order to stop the low power fault from
occurring. Press the RESET/PROGRAM button to perform a
manual reset.
Display alternates “CLo”
1
with “RUN”
The overload relay has tripped on low control voltage (CLo) and is
timing down RD2 before restarting. Correct the problem checking
programmed limits by turning the MODE SELECT knob. Return the
LV setpoint to “432” in order to stop the low power fault from
occurring.
Display is showing solid
“CLo”
1
The unit has tripped on low control voltage and a manual reset is
required because of the setting in #RF. Correct the problem
checking programmed limits by turning the MODE SELECT knob.
Return the LV setpoint to “432” in order to stop the low power fault
from occurring.
1
LPr, HPr, and CLo are enabled only from a network master via a communications module.