Takagi T-H3M-DV - An ERROR code is displayed

44 Page
PROBLEM SOLUTIONS
WATERHEATER
Unit does not ignite
when water goes
through the unit.
• Is the power on the water heater?
• Is the gas on?
• Is the flow rate over 0.5 GPM (1.9 L/min)? (p. 37)
• Is the filter on cold water inlet clean? (p. 41)
• Check for reverse connection and cross connection. (p. 22)
• If you use the remote controller and/or temperature controller, is
the power button turned on? (p. 37 and 38)
• Check if the inlet temperature is too high.
The fan motor is
still spinning after
operation has stopped.
• This is normal. After operation has stopped, the fan motor keeps
running from 15 to 70 seconds in order to re-ignite quickly, as well
as purge all the exhaust gas out of the flue.
Abnormal sounds from
the water heater.
• Is the correct gas type of a water heater installed? (p. 6)
• Are the DIPswitch settings for your altitude set correctly? (p. 28)
• Check the flame quality. (p 41)
• Is the intake or exhaust vent blocked? (p. 10)
• Is the vent length and diameter correct? (p. 11 to 16)
• Is the manifold pressure set correctly? (p. 4)
Unit sounds abnormal
while in operation
• Contact the manufacturer at 1-877-737-2840.
Remotecontroller
Controller does not
display anything when
the power button is
turned on.
• Make sure the water heater is supplied with power.
• Make sure the connection to the water heater is correct. (p. 26 and
27)
NOTICE:
When the water heater has not operated for five minutes or more,
the display of the controllers turns off to conserve energy.
An ERROR code is
displayed.
• Please see p. 45 to 47.
When the remote
controller is turned
ON, STAND BY LED
is lit.
Troubleshoong
Owner's Guide