Graco 259079, Инструкции по эксплуатации

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Troubleshooting
Error
Code Error
Position Type Name Cause Solution
T6AE Heat
Exchanger
RTD Fault A The module is reading
infinite resistance.
Check port on module and
wiring to RTD.
T6BE Heat
Exchanger
RTD Fault B
T6DA Boost A RTD Fault A
T6DB Boost B RTD Fault B
T6DE Heat
Exchanger
Coolant Outlet
RTD Fault
Bad RTD.
Switch the RTD with another
and see if the error message
follows the RTD. Replace
RTD if the error follows the
RTD. See System Repair
manual for instructions.
T6DH Hose
ALARM
RTD Cable or FTS
Fault
Broken RTD cable in
hose or bad FTS.
Expose each hose RTD
connection to check
and retighten any loose
connector. Measure
hose RTD cable and
FTS continuity. See system
repair manual. Order
RTD Test Kit 24N365 for
measurement.
See Temporary Manual
Hose Temperature Control,
page 58, to finish job until
repair can be completed.
T8AE Temperature Not
Rising Hx A
No coolant flow Check coolant level. Check
for coolant flow in sight
glass.
Ensure that the circulation
pump has 240 VAC. If not,
replace the circulation pump.
See System Repair manual.
Bad valve solenoid. Turn on the manual valve
switch (MV), on the load
center, and see if the valve
solenoid shifts. If not replace
solenoid.
T8BE
Heat
Exchanger
ALARM
Temperature Not
Rising Hx B
Bad load center. Red, blue, and green LEDs
should light up on load
center board. If not, replace
load center.
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