Enertech AV Series - Page 70

Enertech Global, LLC 70
AV : MD/ME - Rev. A Models
Installaon and Operaons Manual
Alarm # Description Cause # of Faults Lockout Level Resetable Via
56
Suct - Evap Thermistor fault - Open ci rcuit 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 Ai r 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 < -26.9 F for 3 sec wi thin 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 > 2 8.9F
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 Coi l 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 > 2 57F for 3 sec within
4 hours
1 Lockout w E Heat Power Cycle
79 High discharge temperature alarm Di scharge Gas Thermistor > 2 57F for 3 sec 3 Lockout w E Heat
if Discharge Gas Thermi stor
< 257F after 30 sec
80
5 Repeated low suction temperature alarms within
4 hours
If Suction Gas Thermistor < 3.2F for 20 sec withi n
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 > 1 22 F 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 Cooli ng 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 swi tch 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 persi stent for 1 hour - High voltage in to
Outdoor unit
1 Lockout w E Heat Power Cycle
115
Phase voltage to inverter too low, below 18 0V - Low
voltage or dropped phase to Outdoor unit
1 Lockout w E Heat Power Cycle
116
Phase voltage to inverter too low, below 18 0V, 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 faul ts 1 Lockout w E Heat Power Cycle
--------------- CONTINUES ---------------
Inverter Alarms
Outdoor Alarms (Continued)
Secon 10: Troubleshoong