Carrier VECTOR 1800 MT - Page 249

7-118
62-11039
Alarm
NO.
Steps ALARM / CAUSE CORRECTIVE ACTION
240 HOUR METER ERROR
• TRIGGER–ON: there is an error in the number of hours in memory for one or more of the system Hour
Meters
• UNIT CONTROL: Alarm Only
• RESET CONDITION: Auto Reset when the Discharge Pressure Sensor is calibrated successfully, or
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 Hour Meters
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
241 ALARM STATUS ERROR
• TRIGGER–ON: There is an error in an Alarm that is stored in the Microprocessor memory
•
U
N
I
T
C
O
N
T
R
O
L
:
A
l
a
r
m
O
n
l
y
• UNIT CONTRO
L
:
A
larm Only
• RESET CONDITION: Auto Reset when valid Configuration(s) are entered, or alarm may be manually
reset 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 Alarms
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