Section 9 - Fault Finding
77
Installation and Maintenance
FAUL
T FINDING
9.1.24 Low Mains Voltage Fault
Is a local generator in use?
Contact Electricity Provider
Ensure local generator is supplying
230Vac.
YES
YES
NO
Reconfigure master heat pump. Do NOT set Heating
Circuits Number & Type to Slave. Does fault persist?
Replace OCI 345 in Master heat pump. Does fault
persist?
Replace Indoor Unit RVS21 PCB.
YES
9.1.25 No Cascade Master Fault
9.1.26 No Outdoor Connection Fault
Is wiring from Heat Pump to Indoor Unit secure?
Is wiring from Heat Pump to Indoor Unit connected
correctly
(L to L, N to N, E to E, COM to COM)?
Replace Indoor Unit Fujitsu PCB.
Securely connect wiring from Heat Pump
to Indoor Unit.
Connect wiring to correct connections.
NO
NO
YES
YES
Содержание Logic Air DHW IDEPLUHP180DUOPPSZ
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Страница 93: ...93 Installation and Maintenance Notes...