
MEP 660 - Trouble shooting Manual
Doc No.: IM – 51
Rev.2.0
Print: October 2008
222
PARAMETER
DESCRIPTION
FAULT CODE
1215
FAULT MESSAGE Main Reservoir Pressure Sensor Faulty. Air Compressor pumps
continuously
RESTRICTIONS
Warning only
ALARM BELL
--
RESET LEVEL
MEDIUM, Manual
If the fault condition is still present when cleared manually, the fault
will be generated again.
FAULT
RECOVERY
Automatic after the Main Reservoir Pressure Sensor has been found to
function normally.
PROBABLE
CAUSES
1. MRPR pressure sensor faulty.
2. Defective cables
3. Defective ADB1
7. Defective MAIP8_AU card in slot 1.
FAULT
ISOLATION
1. Set the display to show Auxiliary Generator parameters by selecting
‘Display’ mode from the main menu and then selecting ‘Auxiliary’
sub-menu.
2. Compare the MR pressure value with the displayed MRPR value.
3. If the difference is excess, replace the sensor and check up.
4. If still the fault is still logging
A. Slackness of the connectors either at the sensor or at the ADB1.
Tighten the connectors both at the sensor and ADB of the cable
ID: BF.
B. Defective interconnecting cable ID: BF between sensor and ADB.
Replace the cable and check up.
C. Slackness of the connectors either at ADB1 or MEP-660 control
unit. Tighten the cable connectors both at ADB1 and MEP-660
control unit for the cable ID: AJ.
D. Defective interconnecting cable ID: AJ between ADB and MEP-
660 control unit.
E. Defective ADB1. Replace the ADB1 and check.
F. Defective MAIP8_AU card in slot 1. Replace the card check up.
Note: This message is displayed only when “MR Pressure Sensor connected” flag is
enabled in Configuration of the system