Panasonic CS-E7PKDW / CS-E9PKDW / CS-E12PKDW / CS-E15PKDW / CS-E18PKDW / CS-E24PKDW / CU-E7PKD / CU-E9PKD / CU-E12PKD / CU-E15PKD / CU-E18PKD / CU-E24PKD Service Manual ▷ View online
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17.4.28 F99 (DC Peak Detection)
Malfunction Decision Conditions
During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal
DC Peak sensing circuitry.
Malfunction Caused
During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal
DC Peak sensing circuitry.
Malfunction Caused
DC current peak due to compressor failure.
DC current peak due to defective power transistor(s).
DC current peak due to defective outdoor unit PCB.
DC current peak due to short circuit.
Troubleshooting
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WARNING
18. Disassembly and Assembly Instructions
High voltages are generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding
with repair work. Failure to heed this caution may result in electric shocks.
with repair work. Failure to heed this caution may result in electric shocks.
18.1 CS-E7PK CS-E9PK CS-E12PK CS-E15PK
18.1.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal
Procedures
18.1.1.1 To remove front grille
Figure 1
18.1.1.2 To remove electronic controller
Figure 2
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Figure
3
Figure
4
18.1.1.3 To remove discharge grille
Figure 5
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18.1.1.4 To remove control board
Figure 6
18.1.1.5 To remove cross flow fan and indoor fan motor
Figure 7
Figure 8
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