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Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
CHECK 12
CHECK 11
Is it cooling?
Is the low
pressure less or equal to 0.25 MPa
(36.3 psi)?
Is the
temperature
difference between the suction
pipe and the outdoor heat
exchanger greater than
20°C (68°F)?
Is the resistance
measured from suction pipe
thermistor disconnected from the
outdoor unit PCB
normal?
Is the voltage between
X18A pins (2) and (3) of outdoor
main PCB (A1P) less or equal to 1.0
VDC? (Low pressure sensor
output voltage)
Is the low pressure
sensor normal?
Short of refrigerant, closed stop
valve, or blocked cooling
system. Check the refrigerant
system.
Replace the outdoor main
PCB (A1P).
Replace the low pressure
sensor (S1NPL).
Replace the outdoor main
PCB (A1P).
Short of refrigerant or blocked
cooling system. Check the
refrigerant system.
Replace the suction pipe
thermistor.
Replace the low pressure
sensor (S1NPL).
Summary of Contents for SkyAir RZQ-TA Series
Page 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811E...
Page 283: ...6L86 3DUW SSHQGL LULQJ LDJUDPV 2XWGRRU 8QLW QGRRU 8QLW Part 7 Appendix...
Page 284: ...LULQJ LDJUDPV 6L86 3DUW SSHQGL LULQJ LDJUDPV 2XWGRRU 8QLW 5 5 7 9 8 5 4 7 9 8 3D115455...
Page 285: ...6L86 LULQJ LDJUDPV 3DUW SSHQGL 5 5 7 9 8 5 4 7 9 8 3D115456...
Page 286: ...LULQJ LDJUDPV 6L86 3DUW SSHQGL QGRRU 8QLW 4 7 9 8 3D115647A...
Page 287: ...6L86 LULQJ LDJUDPV 3DUW SSHQGL 4 39 8 4 09 8 3D048116C...
Page 288: ...LULQJ LDJUDPV 6L86 3DUW SSHQGL 4 7 9 8 3D114844B...
Page 289: ...6L86 LULQJ LDJUDPV 3DUW SSHQGL 4 39 8 3D065984J...