40
6.0 TROUBLE SHOOTING CHART
TROUBLE
CAUSE &/OR DISPLAY
WHAT TO DO
Compressor fails to start.
110/120V control voltage not available.
— Check fuses. Check transformers and
wiring connections.
"STARTER FAULT 1SL (2SL)"
— Inspect contactors.
"EMERGENCY STOP"
— Rotate emergency stop button to
disengage, and press"SET" button twice.
"MAIN MTR OVER LD" or
— Manually reset main or fan motor over-
"FAN MTR OVERLOAD"
load relay, and press "SET"button twice.
"PRES SENSOR FAIL" or
— Check for defective sensor, bad sensor
"TEMP SENSOR FAIL"
connection, or broken sensor wires.
Compressor shuts down.
"HIGH AIREND TEMP"
— Ensure that installation area has
adequate ventilation.
— Ensure that cooling fan is operating. If
not reset circuit breaker inside starter
box.
— Check coolant level. Add if required.
— Cooler cores dirty. Clean coolers.
NOTE: If a shutdown oc-
"HIGH AIR PRESS"
— Check for restricted or malfunctioning
curs, press the DISPLAY
blowdown valve or minimum pressure
SELECT button once to
check valve.
activate the L.E.D. display
"LOW SUMP PRESS"
— Check for air leak from tank or
table. Using the adjacent up
blowdown piping.
and down arrows, the values
— Adjust sump pressure.
displayed will be those im-
"PRES SENSOR FAIL" or
— Check for defective sensor, bad sensor
mediately preceding shut-
"TEMP SENSOR FAIL"
connection, or broken sensor wires.
down. Use these values
when trouble shooting a
"CK MOTOR ROTATION"
— Interchange any two line connections
problem.
(L1,L2,L3) at the starter.
"MAIN MTR OVERLD"
— Check for loose wires.
— Check supply voltage.
— Check heater size.
"FAN MTR OVERLOAD"
— Check for loose wires.
— Check supply voltage.
— Fan motor overload tripped
— Check for dirty cooler cores.
"STARTER FAULT 1SL (2SL)”
— Inspect starter contactors.
— Check for loose wires.
Low system air pressure
Compressor running in "Unload" Mode.
— Press "UNLOAD/LOAD" button.
Controller off-line set point too low.
— Press "UNLOAD/STOP" button, set off-
line set point at a higher value.
Dirty air filter element.
— Check filter condition. Replace
as required.
Air leak.
— Check air system piping.
Moisture separator trap drain stuck open.
— Inspect and repair.
Inlet valve not fully open.
— Inspect and repair. Check control
system operation.
System demand exceeds compressor
— Install larger or an additional
delivery.
compressor.
Содержание EP 60
Страница 18: ...16 FIGURE 2 5 1 TYPICAL OUTDOOR SHELTERED INSTALLATION ...
Страница 31: ...29 NOTES ...
Страница 44: ...42 7 0 REFERENCE DRAWINGS 7 1 ELECTRICAL SCHEMATIC FULL VOLTAGE 39899794 REV 02 ...
Страница 45: ...43 7 2 ELECTRICAL SCHEMATIC STAR DELTA 39899786 REV 02 ...
Страница 46: ...44 7 3 FOUNDATION PLAN AIR COOLED 39894472 REV 03 ...
Страница 47: ...45 7 4 FOUNDATION PLAN WATER COOLED 39907894 REV 03 ...
Страница 48: ...46 7 5 FOUNDATION PLAN OUTDOOR MOD 39907886 REV 03 ...
Страница 49: ...7 6 BASIC FLOW SCHEMATIC AIR COOLED 39899828 REV 02 47 ...
Страница 50: ...48 7 7 BASIC FLOW SCHEMATIC WATER COOLED 39899836 REV 02 ...
Страница 51: ...49 7 8 TYPICAL SYSTEM FLOW DIAGRAMS TYPICAL SYSTEM FLOW DIAGRAM ...
Страница 52: ...50 7 8 TYPICAL SYSTEM FLOW DIAGRAMS ...
Страница 53: ...51 7 8 TYPICAL SYSTEM FLOW DIAGRAMS ...
Страница 54: ...52 7 8 TYPICAL SYSTEM FLOW DIAGRAMS ...
Страница 55: ...53 7 8 TYPICAL SYSTEM FLOW DIAGRAMS ...
Страница 59: ...57 DATE RUN TIME WORK DONE QTY UNIT WORK HOURS MEASURE BY 9 0 MAINTENANCE RECORD ...
Страница 60: ...DATE RUN TIME WORK DONE QTY UNIT WORK HOURS MEASURE BY MAINTENANCE RECORD 58 ...
Страница 61: ...59 DATE RUN TIME WORK DONE QTY UNIT WORK HOURS MEASURE BY MAINTENANCE RECORD ...
Страница 62: ...60 DATE RUN TIME WORK DONE QTY UNIT WORK HOURS MEASURE BY MAINTENANCE RECORD ...