Graco HFRL, Setup And Operation Manual

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Appendix D - ADM Error Codes
3A2175Z 93
T6C6 Red Blanket
RTD Fault
RTD 2 is giving no or invalid
data
Alarm
Loose or bad connection Check RTD wiring T6C5 Blue Blanket
RTD Fault
T6C7 Red Chiller
RTD Fault
T6C8 Blue Chiller
RTD Fault
Bad RTD Replace RTD
T8A6 No Heat Red
Tank
No temperature rise Alarm
Tripped circuit breaker Visually check circuit breaker for a tripped condition T8B5 No Heat Blue
Tank
T8A3 No Heat Red
Inline
T8B1 No Heat Blue
Inline
Low Power
Measure voltage across input terminals on power line
filter. Voltage should measure between 190 and 264
Vac
T8A2 No Heat Red
Hose
Cable unplugged/loose
power
Check for loose or disconnected wires or plugs
T8B4 No Heat Blue
Hose
Bad heater(s) Measure resistance of heater(s)
T8A7 No Cooling
Red Chiller
No temperature decline Alarm
Tripped circuit breaker Visually check circuit breaker for a tripped condition
T8B8 No Cooling
Blue Chiller
Defective cooling valve
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.
Chilled water supply off Turn on chilled water supply
Loose or bad connection Check RTD wiring
T9A6 Red Blanket
Temp. Cutoff
Heater overtemperature cutoff Alarm
Defective RTD Replace RTD
T9B5 Blue Blanket
Temp. Cutoff
T9A3 Red Inline
Temp. Cutoff
Defective High Power
Temperature Control
Module
Replace High Power Temperature Control Module
T9B1 Blue Inline
Temp. Cutoff
Loose connections Tighten connections
Error
Code Error Name Error Description
Error
Type Cause Solution