Error Code Troubleshooting

Error Code Troubleshooting

Error codes can take three forms:

Alarm : alerts you to the alarm cause and shuts down the pump.

Deviation : alerts you to the problem, but pump may continue to run past the set limits until the system’s absolute limits are reached.

Advisory: information only. Pump will continue to operate.

NOTE: On Advanced motors, flow (K codes) and pressure (P codes) can be designated as alarms or deviations. See Setup Screen 4, page 20.

NOTE: In the error codes listed below, an “X” means the code is associated with the display only.

NOTE: In the error codes listed below, a “_” in the code is a placeholder for the number of the pump where the event occurred.

NOTE: The blink code is displayed using the power indicator on the motor. The blink code given below indicates the sequence. For example, blink code 1–2 indicates 1 blink, then 2 blinks; the sequence then repeats.

NOTE: A blink code of 9 is not an error code, but an

indicator of which pump is active ( softkey has been pushed, see Run Screen 1, page 12).

Display

Applicable

Blink

Alarm or

 

Description

 

Code

Motor

Code

Deviation

 

 

 

 

 

 

 

 

 

 

None

Basic

6

Alarm

 

 

 

 

 

 

 

The Mode Select knob is set between Pressure

and

 

 

 

 

Flow

. Set knob to the desired mode.

 

 

 

 

 

 

None

Basic and

9

None

A blink code of 9 is not an error code, but an indicator of

 

Advanced

 

 

which pump is active.

 

CAC_

Advanced

None

Alarm

Display detects a loss of CAN communication. Flashing

 

 

 

 

alarm appears on the display, and the blink code occurs.

CAD_

Advanced

2–3

Alarm

Unit detects a loss of CAN communication. This alarm is only

 

 

 

 

logged. No flashing alarm appears on the display, but the

 

 

 

 

blink code does occur.

 

CAG_

Advanced

2–4

Alarm

Display detects a loss of modbus communication when

 

 

 

 

control access is set to modbus.

 

CCN_

Basic and

3–6

Alarm

Circuit board communication failure.

 

 

Advanced

 

 

 

 

 

K1D_

Advanced

1–2

Alarm

Flow is below minimum limit.

 

K2D_

Advanced

None

Deviation

Flow is below minimum limit.

 

K3D_

Advanced

None

Deviation

Flow exceeds maximum target; also indicates pump runaway

 

 

 

 

condition exists.

 

K4D_

Basic and

1

Alarm

Flow exceeds maximum target; also indicates pump runaway

 

Advanced

 

 

condition exists.

 

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Graco 24P822 important safety instructions Error Code Troubleshooting, Display Applicable Blink Alarm or Description

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