Graco VRM 24F872 Instructions Manual page 75

Error
Code Error Name Error Description
Red Tank
T1A6 Low Fluid
Temp.
Blue Tank
T1B5 Low Fluid
Temp.
Red Inline
T1A3 Low Fluid
Temp.
Blue Inline
T1B1 Low Fluid
Temp.
Fluid temperature is below the
defined low alarm limit
Red Hose
T1A2 Low Fluid
Temp.
Blue Hose
T1B4 Low Fluid
Temp.
Red Chiller
T1A7 Low Fluid
Temp.
Blue Chiller
T1B8 Low Fluid
Temp.
The hydraulic oil temperature
is approaching a level where
Oil Temp. damage is possible so the
T3H1
Cutback Motor Control Module is
limiting the output to a safe
level
Motor temperature is
approaching a level where
Motor Temp.
T3N1 damage is possible so the
Cutback
motor control module is limiting
the output to a safe level
Blue Tank
T4B5 High Fluid
Temp.
Red Inline
T4A3 High Fluid
Temp.
Blue Inline
T4B1 High Fluid
Temp.
Red Hose
Fluid temperature is above the
T4A2 High Fluid
defined high alarm limit
Temp.
Blue Hose
T4B4 High Fluid
Temp.
Red Chiller
T4A7 High Fluid
Temp.
Blue Chiller
T4B8 High Fluid
Temp.
313873J
Error
Type Cause
Alarm
Alarm
Alarm Tripped circuit breaker
Alarm
Alarm
Alarm Low power
Cable unplugged/loose
Alarm
power
Alarm Bad heater(s)
No power to fan
Debris in fan or fan grill
Deviation
Low air volume from fan
No power to fan
Debris in fan or fan grill
Low air volume from fan
Advisory
Ambient environmental
conditions are too hot
Motor/pump coupler may
be rubbing on hydraulic
pump
Alarm
Alarm
Alarm Defective RTD
Alarm
Alarm
Defective High Power
Alarm Temperature Control
Module
Alarm Loose connections
Appendix D - ADM Event and Error Codes Overview
Solution
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)
Check cord to make sure fan has power
Clear debris from fan/fan grill
Try to stop fan by lightly pressing on the center with a
pencil eraser. If the fan slows down easily it will need
to be replaced
Check cord to make sure fan has power
clear debris from fan/fan grill
Try to stop fan by lightly pressing on the center with a
pencil eraser. If the fan slows down easily it will need
to be replaced
Move machine to an area below 120°F
Reset coupler per specifications and retighten set
screws
Replace RTD
Replace High Power Temperature Control Module
Tighten connections
75