TROUBLESHOOTING
1
/13
!
[
] [
] [
] [
] [
][
]~ [
] Temperature Thermistor Abnormality
This alarm code is indicated when the thermistor resistance is out of range.
(Water Temperature Thermistor: 240
Ω
≤
Resistance
≤
39 k
Ω
)
(Ambient Temperature Thermistor: 240
Ω
≤
Resistance
≤
600 k
Ω
)
[
] Inlet Water Temperature Thermistor Abnormality
[
] [
] [
] Outlet Water Temperature Thermistor Abnormality
[
] Ambient Temperature Thermistor Abnormality
Is connector on the printed
circuit board for CPU (PCBc)
correctly connected?
Plug, Wiring, Repair
Pull out connector and
measure thermistor resistance.
Is resistance correct?
Replace thermistor
Replace printed circuit board
for CPU (PCBC)
[
] [
] [
]
[
]~ [
]
[
]
Thermistor
resistance
(K
Ω
)
Thermistor resistance
(K
Ω
)
Temperature (°C)
Thermistor for Water Temperature
characteristics
No
Yes
No
Yes
