Graco HFR Setup And Operation page 85

Error
Code Error Name Error Description
Red Tank
T6A6
RTD Fault
Blue Tank
T6B5
RTD Fault
Red Inline
T6A3
RTD Fault
Blue Inline
T6B1
RTD Fault
RTD 1 is giving no or invalid
data
Red Hose
T6A2
FTS Fault
Blue Hose
T6B4
FTS Fault
Red Chiller
T6A7
RTD Fault
Blue Chiller
T6B8
RTD Fault
Red Blanket
T6C6
RTD Fault
Blue Blanket
T6C5
RTD Fault
RTD 2 is giving no or invalid
data
Red Chiller
T6C7
RTD Fault
Blue Chiller
T6C8
RTD Fault
No Heat Red
T8A6
Tank
No Heat Blue
T8B5
Tank
No Heat Red
T8A3
Inline
No temperature rise
No Heat Blue
T8B1
Inline
No Heat Red
T8A2
Hose
No Heat Blue
T8B4
Hose
No Cooling
T8A7
Red Chiller
No temperature decline
No Cooling
T8B8
Blue Chiller
User is dispensing with an
T8CX Heater(s) off
enabled heat zone off
Red Blanket
T9A6
Temp. Cutoff
Blue Blanket
T9B5
Temp. Cutoff
Heater overtemperature cutoff Alarm
Red Inline
T9A3
Temp. Cutoff
Blue Inline
T9B1
Temp. Cutoff
3A2797R
Error
Type Cause
Loose or bad connection Check RTD wiring
Alarm
Bad RTD
Loose or bad connection Check RTD wiring
Alarm
Bad RTD
Tripped circuit breaker
Deviation
Low Power
Cable unplugged/loose
power
Bad heater(s)
Tripped circuit breaker
Defective cooling valve
Deviation
Chilled water supply off
Loose or bad connection Check RTD wiring
Heater is off
Temperature Alarm
Advisory
Disables Dispense
feature is on
Defective RTD
Defective High Power
Temperature Control
Module
Loose connections
Appendix D - ADM Error Codes
Solution
Replace RTD
Replace RTD
Visually check circuit breaker for a tripped condition
Measure voltage across input terminals on power line
filter. Voltage should measure between 190 and 264
Vac
Check for loose or disconnected wires or plugs
Measure resistance of heater(s)
Visually check circuit breaker for a tripped condition
Disconnect the valve and measure the voltage across
the wires when the chiller is running to ensure 24V is
being delivered to the valve. If so, the cooling valve
will likely need replacing.
Turn on chilled water supply
Turn heater on
Turn Temperature Alarm Disables Dispense feature
off
Replace RTD
Replace High Power Temperature Control Module
Tighten connections
85