ABB ACH550-UH HVAC, User Manual

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ACH550-UH User’s Manual 1-91
Parameters
Group 04: FAULT HISTORY
This group stores a recent history of the faults reported by the drive.
Group 04: Fault History
Code Description Range Resolution Default S
0401 LAST FAULT Fault codes 1 0
(panel displays as text)
0 – Clear the fault history (on panel = NO RECORD).
n – Fault code of the last recorded fault. The fault code is displayed as a name. See section
Fault listing on
page 1-282 for the fault codes and names. The fault name shown for this parameter may be shorter than the
corresponding name in the fault listing, which shows the names as they are shown in the fault display.
0402 FAULT TIME 1 Date dd.mm.yy / 1 day 0
power-on time in days
The day on which the last fault occurred. Either as:
• A date – if real time clock is operating.
• The number of days after power on – if real time clock is not used, or was not set.
0403 FAULT TIME 2 Time hh:mm:ss 2 s 0
The time at which the last fault occurred. Either as:
• Real time, in format hh:mm:ss – if real time clock is operating.
• The time since power on (minus the whole days reported in 0402), in format hh:mm:ss – if real time clock is not
used, or was not set.
• Format on the Basic Control Panel: The time since power on in 2-second ticks (minus the whole days reported in
0402). 30 ticks = 60 seconds. E.g. Value 514 equals 17 minutes and 8 seconds (= 514/30).
0404 SPEED AT FLT -32768…+32767 1 rpm 0
The motor speed (rpm) at the time the last fault occurred.
0405 FREQ AT FLT -3276.8…+3276.7 0.1 Hz 0
The frequency (Hz) at the time the last fault occurred.
0406 VOLTAGE AT FLT 0.0…6553.5 0.1 V 0
The DC bus voltage (V) at the time the last fault occurred.
0407 CURRENT AT FLT 0.0…6553.5 0.1 A 0
The motor current (A) at the time the last fault occurred.
0408 TORQUE AT FLT -3276.8…+3276.7 0.1% 0
The motor torque (%) at the time the last fault occurred.
0409 STATUS AT FLT 0000…FFFF hex 1 0
The drive status (hex code word) at the time the last fault occurred.
0410 DI 1-3 AT FLT 000…111 1 0
(0…7 decimal)
The status of digital inputs 1…3 at the time the last fault occurred.
0411 DI 4-6 AT FLT 000…111 1 0
(0…7 decimal)
The status of digital inputs 4…6 at the time the last fault occurred.
0412 PREVIOUS FAULT 1 As par. 0401 1 0
Fault code of the second last fault. Read-only.
0413 PREVIOUS FAULT 2 As par. 0401 1 0
Fault code of the third last fault. Read-only.