Fault Tracing; Contents Of This Chapter - ABB ACS880-07CLC User Manual

Fault tracing

Contents of this chapter

This chapter provides general diagnostics and troubleshooting tips.
Fault tracing
The emergency stop safety relay [A640] type is Phoenix Contact PSR-MC34.
This table gives the indications of the Phoenix Contact PSR-MC34 relay:
PWR LED IN1/2 LED
ON OFF
ON ON
ON ON
Other LED combination
For more information, see the data sheet of the relay (www.phoenixcontact.com).
Use a multimeter to measure the STO circuit connections, if the drive generates one or
more of these faults:
• STO hardware failure (5090)
• Safe torque off 1 loss (FA81)
• Safe torque off 2 loss (FA82)
Refer to the circuit diagrams delivered with the drive.
For more fault tracing possibilities, see the hardware and firmware manuals of the drive.
K1 LED K2 LED
OFF OFF
OFF OFF
ON ON
State
All relays are not activated. The sensor circuit is off.
Possible error, see the data sheet of the relay.
The sensor circuit is active. Relays K1 and K2 are
ready to start and await reset/start command.
The sensor circuit is active. All relays are picked up.
Possible error, see the data sheet of the relay.
Fault tracing 29
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