MCC EM-1 - System Will Not Cool; System Runs But Has Insufficient Cooling; Abnormal Pressures; Abnormal Noises, Vibrations or Conditions

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© 2012 Mobile Climate Control T-299 Rev. 08/2012
2.10.9 Alarm Description (Dual Zone)
Failure Description Action
F1
Temperature zone 1 sensor fail Assume the temperature of 72°C
F2
Temperature zone 2 sensor fail Assume the temperature of 72°C
AL
Alternator failure Only ventilation enabled
bL
Voltage lower than 10V
DC -- -- -- -- -- -- -- -- -- -- -- -- -- --
L1
Low pressure failure (Group 1) Turn OFF compressor 1
H1
High pressure failure (Group 1) Turn OFF compressor 1
L2
Low pressure failure (Group 2) Turn OFF compressor 2
H2
High press ure failure 1 (G roup 2) Turn O FF compres sor 2
t1
3 Failures of L1 or H1 in 30min
Lock the compressor activation 1 and
return activating onl y after reset
t2
3 Failures of L2 or H2 in 30min
Lock the compressor activation 2 and
return activating onl y after reset
Figure 2-11 EnviroMATE Alarms (Dual Zone)