49
Fault
Code
Displayed
Description
Cause
Lockout
type
Remedy
E12
Blower Current
abnormal.
Blower Current meets
requirements for a
completely blocked fl ue.
Soft
Check the venting system. If the
venting system is clear, recalibrate
the unit.
Check the blower wire harness.
Change the blower.
Change the Control Board.
1.
2.
3.
4.
E13
Blower Current meets
requirements for a partially
blocked fl ue.
E14
Blower Current meets
requirements for a non-
heating blocked fl ue
evaluation.
E15
Blower speed
abnormal.
Blower speed is 200RPM
below the target speed for
20 seconds.
Soft
Check the blower wire harness.
Change the blower.
Change the Control Board.
1.
2.
3.
E16
Blower speed is 500RPM
above the target speed for 6
seconds.
E17
Machine starts or normal
combustion, but Blower
speed = 0 for 3 sec.
E18
Have Blower’s output signal
but the Blower speed = 0 for
400ms.
E19
Blower speed stuck > 3000
rpm
Soft
E20
Proportional
valve (PV) current
unusual.
Proportional valve Current <
Minimum.
Soft
Check the proportional gas valve
wire harness.
Change the Control Board.
Change the gas valve assembly.
1.
2.
3.
E21
Proportional valve Current >
Maximum.
E22
Outlet
Temperature
Probe is Open
circuit.
Outlet Temperature
is < minimum defi ned
temperature.
Soft
Check temperature probes wire
harness.
Replace temperature probe.
Change the Control Board.
1.
2.
3.
E23
Outlet
Temperature
Probe is Short
circuit.
Outlet Temperature
is > maximum defi ned
temperature.
E24
Inlet Temperature
Probe is Open
circuit.
Inlet Temperature is
< minimum defi ned
temperature.
E25
Inlet Temperature
Probe is Short
circuit.
Inlet Temperature
is > maximum defi ned
temperature.
E26
Tank Temperature
Probe is Open
circuit.
Tank Temperature
is < minimum defi ned
temperature.
E27
Tank Temperature
Probe is Short
circuit.
Tank Temperature
is > maximum defi ned
temperature.
TABLE 4
Содержание ELITE 153.331000
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