* [LIMIT] is shown on the LID as the temperature, pre ssu re, voltage, etc., set po int predefined or select ed
by the operator as an over r ide , alert, or alarm contit ion. [VALUE] is the actual temperature, press ur e,
voltage, etc., at which t he control tripped.
Protective
Limit
Run AUX Contact
Fault RUN AUX Starter Contact
Fault: Check 1CR/1M aux
contacts.
Run auxiliary contact opened while
machine was running. C heck starter for
proper operation.
Protective
Limit
CCN Override Stop CHIL S S CCN Override
Stop while in LOCAL run
mode.
CCN has signaled machine to stop. Reset
and restart when re ady. If the signal was
sent by the LID, release t he Stop signal
on STATUS01 screen.
Protective
Limit
Spare Safety Devi ce SRP PL Spare Safety
Fault: Check contacts. Spare safety input has t ripped or factory-
installed jumper no t present.
Protective
Limit
Excessive Motor
Amps CA P [VALUE] exceede d
limit of [LIMIT]*. High
Amps; Check guide vane
drive.
Check motor current fo r 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 a nd temperatures.
Check configuration of surge protection.
Protective
Limit
Starter Fault STR FLT Starter Fault:
Check starter for fault
source.
Check starter for poss ible ground fault,
reverse rotation, voltage trip, etc.
Protective
Limit
Starter Overload Trip STR FLT Starter Overload
Trip: Check amps calibra-
tion/reset overload.
Reset overloads and res et alarm. Check
motor current calibra tion or overload cali-
bration (do not field- calibrate overloads).
Protective
Limit
Transducer Voltage
Fault V REF [VALUE] exceeded
limit of [LIMIT]*. Check
transducer power suppl y.
Check transformer pow er (5 vdc) supply
to transducers. Powe r must be 4.5 to
5.5 vdc.
Protective
Limit
Low Oil Pressure Low Oil Pressure [OPEN]:
Check oil pressure switch/
pump and 2C aux.
Check the oil pressur e switch for proper
operation. Check oi l pump for proper
pressure. Check for excessive refrigerant
in oil system.
Table 8 — LID Primary and Secondary Messages and Custom Alarm/Al ert Messages
with Troubleshooting Guides
K. Machine Protect Limit Faults (Continued)
Primary
Message Secondary
Message Alarm Messa ge/
Primary Cause Additional Cause/ Rem edy
Excessive numbers of the same fau lt can lead to s evere machine dam age. Seek servic e expertise.
WARNING !WARNING