ACQ550-U1 User’s Manual
253
Diagnostics
3
DEV
OVERTEMP
Drive heatsink is overheated. Temperature is at or above limit.
R1…R4: 115 °C (239 °F)
R5, R6: 125 °C (257 °F)
Check for and correct:
• Fan failure.
• Obstructions in the air flow.
• Dirt or dust coating on the heat sink.
• Excessive ambient temperature.
• Excessive motor load.
4
SHORT
CIRC
Fault current. Check for and correct:
• A short-circuit in the motor cable(s) or motor.
• Supply disturbances.
5
RESERVED
Not used.
6
DC
UNDERVOLT
Intermediate circuit DC voltage is not sufficient. Check for and correct:
• Missing phase in the input power supply.
• Blown fuse.
• Undervoltage on mains.
7
AI
1
LOSS
Analog input 1 loss. Analog input value is less than
AI
1
FAULT
LIMIT
(3021).
Check for and correct:
• Source and connection for analog input.
• Parameter settings for
AI
1
FAULT
LIMIT
(3021) and 3001
AI
<
MIN FUNCTION
.
8
AI
2
LOSS
Analog input 2 loss. Analog input value is less than
AI
2
FAULT
LIMIT
(3022).
Check for and correct:
• Source and connection for analog input.
• Parameter settings for
AI
2
FAULT
LIMIT
(3022) and 3001
AI
<
MIN FUNCTION
.
9
MOT
OVERTEMP
Motor is too hot, based on either the drive’s estimate or on temperature
feedback.
• Check for overloaded motor.
• Adjust the parameters used for the estimate (3005…3009).
• Check the temperature sensors and
parameters.
10
PANEL
LOSS
Panel communication is lost and either:
• Drive is in local control mode (the control panel displays LOC or OFF), or
• Drive is in remote control mode (AUTO) and is parameterized to accept
start/stop, direction or reference from the control panel.
To correct check:
• Communication lines and connections.
• Parameter 3002
PANEL
COMM
ERR
.
11
ID
RUN
FAIL
The Motor ID Run was not completed successfully. Check for and correct:
• Motor connections.
• Motor parameters 9905…9909.
Fault
code
Fault name in
panel
Description and recommended corrective action
Summary of Contents for ACQ550-U1-011A-6
Page 1: ...ACQ550 User s Manual ACQ550 U1 Drives 1 200 hp ...
Page 4: ......
Page 10: ...10 ACS550 U1 User s Manual Table of contents ...
Page 42: ...42 ACQ550 U1 User s Manual Start up control with I O and ID Run ...
Page 56: ...56 ACQ550 U1 User s Manual Control panel ...
Page 68: ...68 ACQ550 U1 User s Manual Application macros ...
Page 250: ...250 ACQ550 U1 User s Manual Fieldbus adapter ...
Page 266: ...266 ACQ550 U1 User s Manual Maintenance ...
Page 314: ...314 ACQ550 U1 User s Manual Index ...