Carrier VECTOR 1800 MT - Page 252

62-11039
7-121
Alarm
NO.
Steps ALARM / CAUSE CORRECTIVE ACTION
247 CONFIGURATIONS 3 ERROR
• TRIGGER–ON: There is an error in Configuration Group 3 that is stored in the microprocessor memory
•
U
N
I
T
C
O
N
T
R
O
L
:
I
n
c
o
r
r
e
c
t
C
o
n
f
i
g
u
r
a
t
i
o
n
(
s
)
w
i
l
l
b
e
a
u
t
o
m
a
t
i
c
a
l
l
y
s
e
t
f
o
r
d
e
f
a
u
l
t
v
a
l
u
e
• UNIT CONTRO
L
: Incorrect Con
f
iguration(s) will be automatically set for default value.
• RESET CONDITION: Alarm may be manually reset via Keypad or by turning the unit off, then back on
again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active alarm
should clear itself (see reset condition above). Operate the unit through the appropriate modes to see if any active
alarm occurs. Continue with the steps below as necessary.
1. Check Configurations
a. Check Configurations All must be set for selectable values
2. Reset microprocessor
a. Turn RS off for 30 seconds, then turn
back on.
Microprocessor powers up OK
V
a
l
i
d
n
u
m
b
e
r
i
s
p
r
e
s
e
n
t
b. Check for valid Configurations in Data
List.
V
a
l
i
d
num
b
er
i
s presen
t
.
Alarm is cleared
R
l
i
c. Valid Configurations can not be
entered.
Replace microprocessor
248 CONFIGURATION MODE / HP2 ERROR
• TRIGGER–ON: EEPROM configuration is out of range
G
G
O
O
c
o
g
u
a
t
o
s
o
u
t
o
a
g
e
• UNIT CONTROL: Shutdown and alarm
• RESET CONDITION: Auto Reset only when valid info is available for the microprocessor are entered.
Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See
Note 1) Operate the unit through the appropriate modes to see if any active alarm occurs. Continue with the steps
below as necessary.
1. Check microprocessor
a. Check Setpoint setting
b
E
n
t
e
r
n
e
w
S
e
t
p
o
i
n
t
Must be between --22°F to +89.6°F(--30°Cto+32°C)
M
u
s
t
b
e
b
e
t
w
e
e
n
2
2
°
F
t
o
+
8
9
6
°
F
(
3
0
°
C
t
o
+
3
2
°
C
)
b
.
E
n
t
e
r
n
e
w
S
e
t
p
o
i
n
t
c. Check Functional Parameters
M
us
t
b
e
b
e
t
ween --
2
2
°
F
t
o+
8
9
.
6
°
F
(
--
3
0
°
C
t
o+
3
2
°
C
)
All settings must be valid.
2. Reset microprocessor
a. Turn RS off for 30 seconds, then turn
b
a
c
k
o
n
.
Microprocessor powers up OK
b
a
c
k
o
n
.
b. Alarm 248 remains active.
Replace microprocessor.