Livezi Z-Plus - APPENDIX A.1: TROUBLESHOOTING; Digital Inverter System Self Diagnostics; Fault Detection

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aPPendIx a.1: troubleshootInG
D1. Digital Inverter System Self Diagnostics / Fault Detection
Livezi systems are able to detect a number of problems and display a fault message to aid in
troubleshooting.
Fault D1 - 3 Phase error Digital Outdoor
Line 1 = Fault D1:
Line 2 scrolls one of the following:
3 Phase, L2 & L3 lost
3 Phase, L2 lost
3 Phase, L3 lost
3 Phase, rotate L2 & L3
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Line 1 = Fault D2:
Line 2 scrolls one of the following:
Outdoor coil sensor o
p
en circuit
Outdoor coil sensor short circuit
Indoor coil sensor o
p
en circuit
Indoor coil sensor short circuit
Fault D3 - High Pressure or Low pressure Fault
Line 2 scrolls one of the following:
HP com
p
ressor safet
y
LP com
p
ressor safet
y
HP/LP com
p
ressor safet
y
Fault D4 - Interconnect Indoor > Outdoor
Line 1 = Fault 4:
Line 2 scrolls one of the following:
AHU and Condenser Interconnect
Fault D5 - Contact Manufacturer
Line 1 = Fault 5:
Line 2 scrolls = Contact Manufacturer
Fault D6 - Contact Manufacturer
Line 1 = Fault 6:
Line 2 scrolls = Contact Manufacturer
Fault D7 - Zoning to Indoor Board Communications Lost
Line 1 = Fault D7:
Line 2 scrolls = AHU and Zoning interconnect
Fault D8 - Contact Manufacturer
Line 1 = Contact Manufacturer