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Building Technologies Basic documentation LMV37.4... CC1P7546en
HVAC Products 22 Operation of basic unit via AZL2… 01.12.2009
22.1.4 Fault status message, display of errors and info
22.1.4.1. Display of errors (faults) with lockout
P
Vhmins%
Bi ld 1 7/0707
P
Vhmins%
Bi ld 1 8/0707
The display shows
Loc:, the bar under the fault status
message
appears.
The unit is in the lockout position.
The display shows current error code
c: alternating with
diagnostic code
d: (refer to Blink code list).
Example: Error code
4 / diagnostic code 3
22.1.4.2. Reset
reset
1...3 s
P
Vhmins%
Bi ld 1 9/0707
When pressing
reset
for 1...3 s, rESEt appears on the dis-
play.
When the button is released, the basic unit is reset.
If the
reset
button is pressed for a time other than the time
indicated above, a change to the previous menu is made.
Exception
If an error occurred while setting the curve, a change back
to the parameter setting level is made.
22.1.4.3. Activating info / service mode from lockout
reset
>3 s
P
Vhmins%
Bi ld 2 0/0707
reset
>5 s
P
Vhmins%
Bild 2 1/0707
reset
>8 s
P
Vhmins%
Bild 2 2/0707
When pressing
reset
for >3 s, the display shows InFo, SEr
and then
OPErAtE.
When the button is released, a change to info / service
mode is made.
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