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Troubleshootin
g
Error
Code
Error
Location
Type Name
Cause Solution
Mix chamber to
o large for
system select
ed. Use mix
chamber rated
for system.
Ensure the sy
stem has
chemical and
the feed
pumps are ope
rating
correctly.
No material
in pumps.
Verify pump
sare
supplying c
hemical. If
necessary,
replace or refill
drums.
DADX
MCM
ALARM Pump Runaway Flow rate is too large
Inlet ball
valves are closed.
Open ball v
alves.
DE0X
MCM
ALARM
Pump Cycle
Switch Fault
Faulty or m
issing cycle
switch.
Check wiring between
cycle switch and MCM
port 6.
F9DX
MCM
ALARM Pressure Flow
Cutback
Mix chamber is too
large for the set
pressure.
Reference the pressure
flow curves and select a
tipsizethatisthecorrect
size for the set pressure.
See Performance Charts,
page 99.
H1MH Hose ALARM Low Line
Frequency
Line fr
equency is below
55 Hz.
Check f
requency. If
out of
tolerance, see
suppl
ied 120/240V
alter
nator manual for
repai
r instructions.
H4MH Hose ALARM High L
ine
Freq
uency
Line frequency is above
65 Hz.
Check frequency. If
out of tolerance, see
supplied 120/240V
alternator manual for
repair instructions.
Locked rotor.
Replace motor. See
system repair manual.
K8NM
MCM
ALARM Locked Rotor
Ch
emical pump is
st
uck.
Repair or replace pump.
See system repair manual.
L1
AX
Low Chemical
Level A
L1BX
AD
M
AL
ARM
Low Chemical
Level B
Ta
nks low on material.
Fi
ll tanks with material.
78 3A1705J