Table 10F — Start-Up Failures: This is an alarm condition. A manual reset is required to clear.
Primary
Message Secondary
Message Alarm Message/Pr imary
Cause Additional Cause /Remedy
Failure To
Start
Low Oil Pressure OILPD [VALUE] ex ceeded limit
of [LIMIT]*. Check oil pump sys-
tem.
Check for closed oil supply valves.
Check oil filter. Check for low oil tem-
perature. Check transduce r accuracy.
Failure To
Start
Oil Press Sensor
Fault OILPD [VALUE] exce eded limit
of [LIMIT]*. Check oil pressure
sensor.
Check for excessive refrigerant in oil
sump. Run oil pump manually for 5 min-
utes. Check transducer c alibration.
Check cooler pressure transducer cali-
bration. Check wiring. Repl ace trans-
ducer if necessary.
Failure To
Start
Low Chilled
Water Flow EVFL Evap Flow Fault: Check
water pump/flow switc h. Check wiring to flow switch. Check
through Control Test for proper switch
operation.
Failure To
Start
Low Condenser
Water Flow CDFL Cond. Flow Fault: Check
water pump/flow switc h. Check wiring to flow switch. Check
through Control Test for proper switch
operation.
Failure To
Start
Starter Fault STR FLT Start er Fault: Check
Starter for Fault Source. A starter protective de vice has faulted.
Check starter for ground fault, voltage
trip, temperature trip, etc.
Failure To
Start
Starter Overload
Trip STR FLT Starter Ov erload
Trip: Check amps calibra tion/
reset overload.
Reset overloads before res tart.
Failure To
Start
Line Voltage
Dropout V P Single-Cycle Dropout
Detected: Check voltage sup-
ply.
Check voltage supply. Check trans-
formers for supply. C heck with utility if
voltage supply is erratic. M onitor must
be installed to confirm co nsistent, sin-
gle-cycle dropouts. Check low oil pres-
sure switch.
Failure To
Start
High Condenser
Pressure High Condenser Pressure
[LIMIT]: Check switch 2C aux,
and water temperature/f low.
Check for proper design condenser flow
and temperature. Check co ndenser
approach. Check 2C auxiliary contacts
on oil sump starter. Ch eck high pres-
sure switch.
Failure To
Start
Excess Accelera-
tion Time CA P Excess Acceleration:
Check guide vane closure at
start-up.
Check that guide vanes are c losed at
start-up. Check starter for proper opera-
tion. Reduce unit pressu re if possible.