Troubleshooting
Error
Code
Error
Position
Type Name Cause Solution
Hose portion exposed
to an excessive heat
source, like hot sun or
coiled hose, can pass
fluid more than 27°F
(15°C) over temperature
settingtotheFTS.
Shade exposed hose from
hot sun or expose FTS to
same environment when
at rest. Uncoil entire hose
before heating to avoid
self-heating.
T4DH Hose ALARM High Chemical
Temperature
BadHighPower
Temperature Control
Module.
Replace HPTCM. See
system repair manual.
Cooling fansarenot
operating properly.
Ensureambient temperature
is less than 120°F(48°C).
Check to see that the fans
are moving. Measure
voltage to fans. There
shouldbe2
40 VAC. If no
voltage is measured, check
wiring between fan and
circuit breaker CB03.
If the fans have voltage but
are not moving, replacefan.
Use an air hose to blow out
aroundthe fan housings and
remove any built-up debris.
T4NM MCM ALARM High Motor
Temperature
Bad electric motor. Replaceelectric motor. See
System Repair manual.
84 3A1705J