* [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 condi ti on. [VALUE] is the actual pr e ssure, temperatur e,
voltage, etc., at which t he control tripped.
Failure To
Start
Starter Transi-
tion Fault RUN AUX Starter Transition
Fault: Check 1CR/1M/Interlock
mechanism.
Check starter for proper oper ation. Run
contact failed to close.
Failure To
Start
1CR AUX Con-
tact Fault 1CR AUX Starter Contact
Fault: Check 1CR/1M aux. co n-
tacts.
Check starter for proper oper ation. Start
contact failed to close.
Failure To
Start
Motor Amps Not
Sensed CA P Motor Amps N ot Sensed:
Check motor load signal. Check for proper motor amps signal to
SMM. Check wiring fro m SMM to cur-
rent transformer. Check main motor cir-
cuit breaker for trip.
Failure To
Start
Check Refriger-
ant Type Current Refrigerant P roperties
Abnormal — Check Selec tion of
refrigerant type
Pressures at transducers indicate
another refrigerant type in Con trol Test.
Make sure to access the ATTACH TO
NETWORK DEVICE table after chang-
ing refrigerant type.
Failure To
Start
Low Oil Pressure Low Oil Pressure [LIMIT]:
Check oil pressure switch/
pump and 2C aux.
The oil pressure differen tial switch is
open when the compressor tried to
START. Check the switch f or proper
operation. Also, check the oil pump
interlock (2C aux) in the power panel
and the high condenser pres sure
switch.
Table 10F — Start-Up Failures: This is an alarm condition. A manual reset is required to clear. (Continued)
Primary
Message Secondary
Message Alarm Message/Pr imary
Cause Additional Cause /Remedy