Takagi T-H3M-IN/OS - Manual (Page 44)

44
Page
PROBLEM SOLUTIONS
W
ATER
HE
ATER
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 05 GPM (19 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
Remot
e
con
tr
oller
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
Troubleshooting
Owner's Guide