System Errors

Code

Type

Description

Problem

Cause

Solution

 

 

 

 

 

 

P9F#

Alarm

Press.

Inlet pressure

Inlet pressure

Relieve system

 

 

Sens.

transducer has failed.

transducer has failed or

pressure. Verify

 

 

Failed Inlet

 

the pressure is above

connections, or replace

 

 

#

 

the readable range.

if reconnecting does

 

 

 

 

 

not eliminate the alarm.

QADX

Alarm

Differential

Low differential

There is a leak on the

Check the system

 

 

Pressure A

pressure. This alarm is

B side.

for internal and

 

 

Over B

active only during Mix

 

external leaks on all

 

 

 

mode.

 

catalyst manifolds and

 

 

 

 

 

plumbing.

 

 

 

 

The B side pump is

Check paint supply on

 

 

 

 

cavitating.

the B side, increase

 

 

 

 

 

paint supply pressure.

QBDX

Alarm

Differential

High differential

There is a leak on the

Check the system

 

 

Pressure B

pressure. This alarm is

A side.

for internal and

 

 

Over A

active only during Mix

 

external leaks on all

 

 

 

mode.

 

color manifolds and

 

 

 

 

 

plumbing.

 

 

 

 

The A side pump is

Check paint supply on

 

 

 

 

cavitating.

the A side, increase

 

 

 

 

 

paint supply pressure.

94

332564B

Page 94
Image 94
Graco 332564B important safety instructions Qadx, Qbdx