Nortec GS Series - Manual (Page 79)

GS Series Installation | 76
FCF:FILL
CHECK FAULT
The fill valve has
been active for an
extended time
without increasing
a float level
Unit will not
operate without
accurate float level
reading.
Investigate before
restarting unit.
(1)
Ensure water line is open and that
adequate water supply and pressure
is available.
(2) Check wiring to float board and
fill valve. Check strainer on fill valve inlet.
(3) Check that drain valve, auxiliary
drain valve or manual drain switch
are not activated.
(4) Check fill valve using diagnostic
output test. Consult factory.
DCF: DRAIN
CHECK
Drain Pump activated
for extended period
without changing
float level Unit needs to drain
for optimal
performance (1) Back pressure from drain lines can slow draining of
unit.
(2) Drain Pump could be obstructed.
Clean Drain pump. Check that the drain
Pump is powered.
(3) Ensure Float Level Sensor connected and that
levels change on fill.
FIF: FLOAT
INCONSIST.
On startup the unit
registers that the
float levels do not
increase logically
from 1 to 5
Unit cannot
operate
without accurate
float level reading
(1)
Float level sensor is malfunctioning
(2) Inspect all hoses. Inspect all. connections.
Consult factory.
FLF: FLOAT
LEVEL
More than one float
level is registering
at the same time
Unit cannot
operate
without accurate
float level readings.
(1)
Float level sensor Is malfunctioning.
Inspect all connections.
(2) Ensure that hoses are properly
connected and unobstructed.
(3) Ensure correct hose from fill valve is
connected to chamber. Consult factory.
KWF: KEEP
WARM FAULT
Keep Warm activated
but tank temperature
has not increased
within time allotted
Unit cannot
operate in such
condition.
(1)
Check connection to tank temperature
Sensor. Check to ensure no more than
One burner is disabled.
(2) Check tank to See if hot (caution).
Check electrical Signal to sensor.
(3) Tank temperature Sensor may be
Defective. Consult factory.
OTF: OVER
TEMP FAULT
The exhaust or tank
Safety sensor has
exceeded the safety
limit
Unit cannot
operate
in such condition
(1)
Check unit float system. Unit may not be
operating with the correct water levels.
(2) Ensure that exhaust line is open and free
of obstructions.
(3) Consult factory.
HMF: MAINT.
FAULT
The humidifier
maintenance interval
and 72hour window
for cleaning
has expired.
Unit cannot
operate
Is such a condition
(1)
Unit requires servicing. Consult
maintenance guide in the Nortec manual.
(2) Service reminder must be cleared after
maintenance. Refer to manual.