ACH550-UH User’s Manual 59
Start-Up
0308 ALARM WORD 1 - 1 0000 hex
Read-only copy of the
ALARM WORD 1.
• When a fault is active, the corresponding bit for the active fault is set in the Fault Words.
• Each fault has a dedicated bit allocated within Fault Words.
• Bits remain set until the whole alarm word is reset. (Reset by writing zero to the word).
• The control panel displays the word in hex. For example, all zeros and a 1 in Bit 0 displays a 0001. All zeros and a
1 in Bit 15 displays as 8000.
0309 ALARM WORD 2 - 1 0000 hex
Read-only copy of the
ALARM WORD 3.
• See parameter 0308.
Group 03: Actual Signals
Code Description Range Resolution Default S
* Applies only to HVAC drives.
Bit # 0308, ALARM WORD 1 0309, ALARM WORD 2
0 Reserved Reserved / OFFBUTTON 0*
1 PID SLEEP
2 ID RUN
3 DIR LOCK Reserved
4 I/O COMM
5 AI1 LOSS
6 AI2 LOSS
7 PANEL LOSS
8 Reserved
9 MOT OVERTEMP
10 UNDERLOAD
11 MOTOR STALL
12 AUTORESET
13 AUTOCHANGE
14 PFA INTERLOCK
15 reserved BP LOSS
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