Carrier 19XL - Manual (Page 296)

* [LIMIT] is shown on the LID as the temperature, pressure, voltage, etc., set point predefined or selected
by the operator as an override, alert, or alarm condition. [VALUE] is the actual temperature, pressure,
voltage, etc., at which the control tripped.
Protective
Limit
CCN Override Stop CHIL S S CCN Over-
ride Stop while in LOCAL
run mode. CCN has signaled machine to stop. Reset
and restart when ready. If the signal was
sent by the LID, release the Stop signal
on STATUS01 table.
Protective
Limit Spare Safety Device SRP PL Spare Safety
Fault: Check contacts. Spare safety input has tripped or factory-
installed jumper not present.
Protective
Limit
Excessive Motor
Amps CA P [VALUE]
exceeded limit of
[LIMIT]*. High Amps;
Check guide vane drive. Check motor current for proper calibra-
tion. Check guide vane drive and actuator
for proper operation.
Protective
Limit
Excessive Compr
Surge Compressor Surge:
Check condenser water
temp and flow. Check condenser flow and temperatures.
Check configuration of surge protection.
Protective
Limit
Starter Fault STR FLT Starter Fault:
Check starter for fault
source. Check starter for possible ground fault,
reverse rotation, voltage trip, etc.
Protective
Limit
Starter Overload Trip STR FLT Starter Over-
load Trip: Check amps
calibration/reset over-
load. Reset overloads and reset alarm. Check
motor current calibration or overload cali-
bration (do not field-calibrate overloads).
Protective
Limit
Transducer Voltage
Fault V REF [VALUE]
exceeded limit of
[LIMIT]*. Check trans-
ducer power supply. Check transformer power (5 vdc) supply
to transducers. Power must be 4.5 to 5.5
vdc.
Protective
Limit
Low Oil Pressure Low Oil Pressure
[OPEN]: Check oil pres-
sure switch/pump and
2C aux. Check the oil pressure switch for proper
operation. Check oil pump for proper
pressure. Check for excessive refrigerant
in oil system.
Table 10K — Machine Protect Limit Faults (Continued)
Primary
Message Secondary
Message Alarm Message/
Primary Cause
Additional Cause/Remedy
Excessive numbers of the same fault can lead to severe machine damage.
Seek service expertise.
WARNING
!
WARNING