62-11039
7-25
Alarm
NO.
Steps
ALARM / CAUSE
CORRECTIVE ACTION
37
CHECK LOW SPEED RPM
•
TRIGGER–ON: Controller is set for low engine speed operation, and engine RPM are:
less than 1300 or greater than 1550 for more than 60 seconds
•
UNIT CONTROL: Engine operation: alarm only. Standby operation: this alarm will not activate in standby
UNIT CONTROL: Engine operation: alarm only. Standby operation: this alarm will not activate in standby
operation.
•
RESET CONDITION: Auto Reset if controller is set for low speed operation and RPM falls back between 1320 and
1530 RPM for 60 seconds. Change unit to standby operation, or alarm may be manually reset via keypad or by turning
the unit off, then back on again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active alarm
should clear itself (see reset condition above). Operate the unit through the appropriate modes to see if any active
alarm occurs. Continue with the steps below as necessary.
1.
Verify That Correct Model Number Is Selected
a. Compare model number from unit I.D.
label and model number in micro Data
List.
The model numbers must be the same.
2.
Check Speed Solenoid & Linkage
a. Check speed solenoid plunger
Must move in and out freely
b. Check engine speed arm & linkage
Must move freely
3.
Check Engine RPM
a. Check actual engine RPM using hand
held tachometer
Refer to Section 2.9
Adjust engine linkage setting as needed.
b. Compare actual RPM with those
shown on display.
Both readings within
±
50 RPM
4.
Force Low Speed Operation
a.Change setpoint to within
0.5
°
(
0.3
°
C) of box temperature.
Unit will run in low speed. RPM must be within range
shown above for each specific model. Adjust speed
linkage as needed.
b. Check operation of Speed Relay LED LED 27 must be OFF
c. Check voltage to speed solenoid
Must be 0 VDC
5.
Check Engine Air–intake System
a. Check air filter indicator
Flag must not be visible.
b. Inspect air intake system
Hoses & tubes in good condition.
No kinks or restrictions
6.
Check Engine Exhaust System
a. Inspect the exhaust system
Must be clear and unobstructed
Summary of Contents for VECTOR 1800 MT
Page 1: ......
Page 2: ...OPERATION SERVICE MANUAL for VECTOR 1800 MT Trailer Multi Temp Refrigeration Units ...
Page 19: ...1 5 62 11039 1 3 SAFETY DECALS ...
Page 20: ...1 6 62 11039 62 03958 00 Heat Warning 62 03957 01 High Voltage 62 60280 00 Standby Safety ...
Page 21: ...1 7 62 11039 ...
Page 303: ...10 1 62 11039 ...
Page 310: ...10 8 62 11039 BASED ON ENGINEERING SCHEMATIC 62 60926 REV G NEXT SHT ...
Page 311: ...10 9 62 11039 FROM PREVIOUS SHT ...