Paloma PH-28CDVSN, Инженерный справочник

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4. Error Code [61] (Fan Failure ) is displayed.
Does
the Fan operate?
*4
NO
YES
*4 Check that the fan turns round with eyes (visually).
Check that there are some air volume from outlet terminal or flue outlet.
Does
the Fan Motor
have
sufficient voltage?
*5
NO
Replace Burner Control Assy.
YES
*5 Measure the voltage of connector .
Between Blue and White wires: 120 ~160 VDC
G
The water heater seems to be
normal. Try to operate again.
NO
YES
Is there
any pulse output
from the Fan Motor?
*6
Replace Fan Assy.
Replace Burner Control Assy.
*6 Measure the voltage of connector .
Between Yellow and Blue wires:
4 ~ 10 VDC (Pulse)
NOTE: The above voltage is an approximate
rate measured by common digital
tester (DC RANGE).
G
D. Does not try to ignite even if the Fan is activated.
1. Error Code [31] (Water Inlet Thermistor Disconnection) is displayed.
Display maintenance information [3y].
[3y] indicates the temperature detected by the water inlet thermistor.
Does
[3y] indicate the
water inlet temperature?
NO
YES
The water heater seems to be
normal. Try to operate again.
Is the
resistance of the
water inlet thermistor OK?
*1
NO
YES
Replace Burner Control Assy.
Replace Water Inlet Thermistor.
*1 Measure the resistance of connector .
Between White and Black wires:
R
*6 To measure the pulse output, turn on
the fan by pushing "MIN" or "MAX"
Button.
68
104 °F (20 °C) ........ 10.3 k ohm
°F (40 °C) ........ 4.9 k ohm