Graco 259079, Инструкции по эксплуатации

Страница: 81 / 102

Troubleshooting
Error
Code Error
Position Type Name Cause Solution
T3NM MCM
ADVISORY High Motor
Temperature
Motor is operating
outside of pressure
flow curve. The system
is running at a lower
setpoint to preserve
motor life.
Run the system at a
lower duty cycle or with a
smaller mix chamber. See
Performance Charts, page
96.
T4AE High Chemical
Temperature Hx A
Manual valve switch (MV)
on load center board is in
the ON position.
Open cabinet cover and turn
switch to the OFF position.
B side control valve
solenoid is stuck in the
open position.
Disconnect connector
from valve solenoid. If
temperature does not
decrease, rebuild solenoid.
T4BE
Heat
Exchanger
ALARM
High Chemical
Temperature Hx B
Short on load center
board. If the blue and red
LEDs are on while the
heat is off, then the load
center board is bad.
See Load Center
Diagnostics in Reactor
repair manual..
T4CA Boost A LPTCM Over
Temperature
Cooling fan not operating
on power.
If fan is not working check
wiring between CB03 and
fan. If wiring is good, replace
fan.
T4CB Boost B LPTCM Over
Temperature
T4CH Hose
ALARM
HPTCM Over
Temperature
Overheated module. Turn controller off. Wait
a few minutes. If the
condition does not clear or
regenerates consistently,
replace module.
High ambient
temperature.
Ensure ambient temperature
is below 120°F(48°C) before
using the system.
T4CM MCM ALARM High MCM
Temperature
Overheated Control
Module.
Stop the pumps. Wait
a few minutes. If the
condition does not clear or
regenerates consistently,
replace MCM. See System
Repair manual.
T4DA Boost A High Chemical
Temperature
Bad RTD. Swap A and B heater volex
cables and RTDs and see if
issue follows. If so, replace
RTD.
T4DB Boost B
ALARM
High Chemical
Temperature
Bad Low Power
Temperature Control
Module.
Swap the A and B LPTCMs
and see if the issue follows
the module. If so replace
LPTCM. See System Repair
manual.
3A1705E 81