Sanyo SPW-C483GYH8 Service Manual page 165

1. Troubleshooting
(9) Symptom: LCD on the remote controller is displaying "CHECK E15" or "CHECK E16". (Inappropriate indoor
1
When the outdoor unit judges a mismatch between the number of connected indoor units and the mumber of
indoor units set at the outdoor unit (S004) after automatic address setting operation, the outdoor unit sends
the indoor unit the alarm signal and displays "CHECK E15" or "CHECK E16" on the remote controller.
2
When the power is switched on when the outdoor and indoor unit addresses have already been set, if the
number of indoor units connected and the number set at the outdoor unit do not match, the outdoor unit starts
automatic address operations again. As a result, if the outdoor unit judges that there is an inappropriate
indoor/outdoor combination, it displays "CHECK E15" or "CHECK E16" on the remote controller. (But only if
the outdoor system address is 0)
(10) Symptom: LCD on the remote controller displays "CHECK P01". (Indoor fan protection thermostat)
Is there 220-240 V AC between S4
and T20-3 on the indoor unit PCB?
Yes
3
Are T20-1 and T20-3 on the indoor
unit PCB shorted and is there 220-
240 V AC between T20-3 and S4?
Replace the indoor unit PCB?
(11) Symptom: The remote controller LCD displays "CHECK P10". (Indoor floating switch operation)
and FS-3 on the indoor unit PCB?
• Drain pump defect
• Clogged drain
combination)
Start
No
No
Start
Is there 12 V DC between FS-1
Yes
Is the floating switch off?
Yes
Yes
Is the indoor fan wire winding
protection thermostat (49FI) off?
Yes
Replace the indoor fan.
No
Replace the indoor unit PCB.
No
Correct the connection
III - 16
Service Procedures
No
Correct the connection
0341_M_I
SM830052
0340_M_I