Enertech Global
98
EAV - EME/EMD Rev. A Models
Installation and Operations Manual
Alarm #
Description
Cause
# of Faults Lockout Level
Resetable Via
56
Suct - Evap Thermistor fault - Open circuit or short
circuit on sensor input
Open/Short Sensor for 5 sec
1
Lockout w E Heat Power Cycle
61
High ambient temperature during heating
Outdoor Air Temp > 122F for 1 sec
3
Lockout w E Heat if Outdoor Air Temp <
118.4F for 1 sec
63
Low ambient temperature during heating
Outdoor Air Temp < -13F for 1 sec
3
Lockout w E Heat if Outdoor Air Temp > -9.4F
after 45 sec
65
High return temperature
Return Water Temp > 136.4F & not defrosting for
3 sec
3
Lockout w E Heat if Return Water Temp <
132.8F after 30 sec
67
Low return temperature
Return Water Temp < 37.4F and in Cooling for 3
sec
5
Lockout w E Heat if Return Water Temp >
39.2F after 30 sec
69
High supply temperature
Supply Water Temp > 104F or 66.2F and not
defrosting for 3 sec
5
Lockout w E Heat if Supply Water Temp < 104
or 66.2F
71
Low supply temperature
Supply Water Temp < 37.4F for 3 sec
5
Lockout w E Heat if Supply Water Temp >
37.4F after 30 sec
72
5 Repeated low pressure alarms within 4 hours
Suction Gas Temp < -26.9F for 3 sec within 4
hours
1
Lockout w E Heat Power Cycle
73
Low pressure alarm
Suction Gas Temp < -26.9F for 3 sec
5
Lockout w E Heat if Suction Gas Temp > 28.9F
after 60 sec
74
5 Repeated high pressure alarms within 4 hours
Discharge Gas Temp > 141.8 or 136.4F for 3 sec
within 4 hours,
1
Lockout w E Heat Power Cycle
75
High pressure alarm
Discharge Gas Temp > 141.8 or 136.4F for 3 sec
5
Lockout w E Heat if Discharge Gas Temp <
76
5 Repeated low air coil temperature alarms within 4 Air Coil Temp < -26.9F for 3 sec within 4 hours
1
Lockout w E Heat Power Cycle
77
Low air coil temperature alarm
Air Coil Temp < -26.9F for 3 sec within 4 hours
5
Lockout w E Heat if Air Coil Temp > -26.9F
after 30 sec
78
3 Repeated high discharge temperature alarms
within 4 hours
Discharge Gas Thermistor > 257F for 3 sec within
4 hours
1
Lockout w E Heat Power Cycle
79
High discharge temperature alarm
Discharge Gas Thermistor > 257F for 3 sec
3
Lockout w E Heat if Discharge Gas Thermistor
< 257F after 30 sec
80
5 Repeated low suction temperature alarms within
4 hours
If Suction Gas Thermistor < 3.2F for 20 sec within
4 hours
1
Lockout w E Heat Power Cycle
81
Low suction temperature alarm
If Suction Gas Thermistor < 3.2F for 20 sec
5
Lockout w E Heat Suction Gas Thermistor >
3.2F after 30 sec
85
High ambient temperature during cooling
Outdoor Air Temp > 122F for 1 sec and Cooling
3
Lockout w E Heat Outdoor Air Temp < 118.4F
after 1 sec
87
Low ambient temperature during cooling
Outdoor Air Temp < 32F for 1 sec and Cooling
3
Lockout w E Heat Outdoor Air Temp > 35.6F
after 1 sec
Alarm #
Description
Cause
# of Faults Lockout Level
Resetable Via
103
Communication timeout
3
Lockout w E Heat Power Cycle
104
Communication timeout
1
Lockout w E Heat Power Cycle
105
External fault
3
Lockout w E Heat yes
106
3 Repeated external faults within 2 hours -
Communication with Inverter/drive interrupted
1
Lockout w E Heat Power Cycle
107
LP/HP pressure switch alarm
1
Lockout w E Heat yes
108
2 Repeated LP/HP pressure switch alarms within 2.5
hours
2
Lockout w E Heat Power Cycle
109
PWM sync errors
2
Lockout w E Heat yes
110
Repeated PWM sync errors
1
Lockout w E Heat Power Cycle
111
MCE fault
3
Lockout w E Heat yes
112
Repeated MCE faults
1
Lockout w E Heat Power Cycle
113
Phase voltage to inverter too high - High voltage in
to Outdoor unit
1
Lockout w E Heat Power Cycle
114
Phase voltage to inverter too high, 3 times within 2
hours or persistent for 1 hour - High voltage in to
Outdoor unit
1
Lockout w E Heat Power Cycle
115
Phase voltage to inverter too low, below 180V - Low
voltage or dropped phase to Outdoor unit
1
Lockout w E Heat Power Cycle
116
Phase voltage to inverter too low, below 180V, 3
times within 2 hours or persistent for 1 hour - Low
voltage or dropped phase to Outdoor unit
1
Lockout w E Heat Power Cycle
117
A compressor phase is missing
1
Lockout w E Heat Power Cycle
118
A compressor phase is missing, 3 times within 2
hours or persistent for 1 hour
1
Lockout w E Heat Power Cycle
119
PFC gate kill
3
Lockout w E Heat yes
120
Repeated PFC gate kill faults
1
Lockout w E Heat Power Cycle
121
PFC over temperature
3
Lockout w E Heat yes
122
Repeated PFC over temperature faults
1
Lockout w E Heat Power Cycle
--------------- CONTINUES ---------------
Inverter Alarms
Outdoor Alarms (Continued)
Indoor, Outdoor, and Inverter Alarms Tables
Section 12: Troubleshooting