TriangleTube Marquis TWH180, Руководство пользователя

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17
Troubleshooting
Diagnostics and suggested corrective actions
This controller is able to record information about the water heater condition at the time of the ten previous
faults or error. The control will display the following information.
Display Condition Diagnostic Corrective Action(s)
Nothing shown on
display and blower
running at full speed.
Control is not
receiving power.
Check wiring for short
circuit or incorrect wiring.
Correct wiring per wiring diagram.
Check for 14V output of
panel wire.
Push the ‘A’ button of control panel.
Nothing is shown
on display and no
other Water Heater
components are
operating.
Control is not
receiving 120V
power.
Is there 120 Volts at the
manual switch?
Correct the power supply from the manual
switch.
Check the water heater
inside power manual switch.
Turn on the manual power switch inside the
water heater case.
Check for 120 volts at the
line voltage terminal inside
the water heater case.
Correct wiring inside the water heater case
using the wiring diagram in this manual.
Nothing is shown
on control panel, but
water heater is
operating.
Occurs when the
communication is
lost from the control
to the display.
Check for loose connec-
tions and proper pin
alignment/ engagement on
the Control's plug.
Check for continuity on the wire harness from
the display to the control panel. See repair parts
section for proper replacement part.
Cycle power off and on
using water heater power
switch and check for
operation.
Replace with new display module. See repair
parts section for proper replacement part.
TEMPERATURE
RISE TOO
QUICKLY
Occurs when supply
water temperature
in heat exchanger
rises faster than 2°F
per second during
the first two
minutes the burner
is on.
Automatically resets after a
few minutes delay or use
manual reset.
See TEMPERATURE SENSOR and follow
procedures for loose connections.
TEMPERATURE
SENSOR
Occurs when a
temperature sensor
has electrically
shorted(SHORT) or
has become
disconnected
(OPEN).
Reset by pressing
the On/Off button
on the display.
Check all the temperature readings of the water
heater in the information menu to determine if
any sensors are currently displayed as SHORT
or OPEN.
Check wire harness for loose connections and
pin engagement at sensor Connection and
Control module.
If problem persists after checking items above,
replace Control.