American Standard 4A6V0024A1000B Service Facts page 31

Display
Alert
Alert
Assembly
Group
Code
Text
NO TEXT
NO TEXT
Protection
185 Derating
NO TEXT
Fault
NO TEXT
NO TEXT
NO TEXT
NO TEXT
NO TEXT
MOC
Protection
186
Derating
Fault
NO TEXT
NO TEXT
NO TEXT
Evacua-
187 EVACUATION
tion Mode
4A-V0-SF-1G-EN
Sub-
A/TZONE
State action on
alar-
850/950
occurrence
m
N/AOnly
visible
viaTechni-
Suction pressure is low
11
cian log in
950/850
history
N/A Only
visible via
Technician Suction pressure is low
12
log in 950
history
N/A Only
visible via
Technician Suction pressure is low
13
log in 950
history
N/A Only
visible via
Drive output current is
Technician
14
high
log in 950
history
N/A Only
visible via
Drive output current is
Technician
15
high
log in 950
history
Drive output current is
N/A
0
high
Drive output current is
N/A
1
high
Drive Inverter
N/A
2
temperature is high
Drive Inverter
N/A
3
temperature is high
Drive Rectifier
4 N/A
temperature is high
Drive Rectifier
N/A
5
temperature is high
Outdoor unit operation
shall not be allowed.
0 Err 187.00
EEV drives to full open.
V V a a r r i i a a b b l l e e S S p p e e e e d d A A l l e e r r t t C C o o d d e e s s
Alert
State action on
Description
clearance
Low Suction
Pressure
Protection in
cooling mode,
Limit compressor
speed.
Low Suction
Pressure
Protection in
heating mode,
Derate
compressor
speed.
Low Suction
Pressure
Protection in
heating mode,
Limit compressor
speed.
High compressor
speed with high
Drive output
current, Derate
compressor
speed.
High compressor
speed with high
Drive output
current, Limit
compressor
speed.
High Drive output
current, Limit
compressor
speed.
High Drive output
current, Derate
compressor
speed.
High Inverter
temperature,
Limit compressor
speed.
High Inverter
temperature,
Derate
compressor
speed.
High Rectifier
temperature,
Limit compressor
speed.
High Rectifier
temperature,
Derate
compressor
speed.
Evacuation mode
has been
executed from
Resume normal
the CDA. ODU
operation after
operation is
Power Cycle
locked out and
EEV drives to full
open.
Possible Cause
In cooling mode: low
indoor/outdoor
ambient operation.
In heating mode: low
outdoor ambient/
indoor temperature
operation.
In heating mode: low
outdoor ambient/
indoor temperature
operation.
In heating mode, high
indoor coil load or
high outdoor
ambient.
In heating mode, high
indoor coil load or
high outdoor
ambient.
High compressor load
High compressor load
High compressor load
High compressor load
High compressor load
High compressor load
Evacuation mode has
been executed from
the CDA.
31