45
Page
TROUBLESHOOTING
GENERAL
PROBLEM
SOLUTIONS
TEMPERA
TURE
and
AMOUNT
OF
HO
T
W
ATER
The water is not hot
enough.
•
Compare the
fl
ow and temperature. See the charts on p. 56.
•
Check cross plumbing between cold water lines and hot water lines.
•
Is the gas supply valve fully open? (p. 35)
•
Is the gas line sized properly? (p. 23)
•
Is the gas supply pressure su
fficie
nt? (p. 24)
•
Is the set temperature set too low? (p. 39-40)
The water is too hot.
•
Is the set temperature set too high? (p. 39-40)
The hot water is not
available when there
is a call for heat.
•
Make
sure
the
unit
has
120
VAC,
60
Hz
power
supply.
•
If you are using the remote controller and/or temperature controller, is
the power bu
tt
on turned on?
•
Is the gas supply valve fully open? (p. 35)
•
Is the water supply valve fully open? (p. 35)
•
Is the unit frozen? (p. 43)
•
Is there enough gas in the tank / cylinder? (For Propane models)
The hot water turns
cold and stays cold.
•
Is the
fl
ow rate enough to keep the micro-boiler running? (p. 39)
•
Is the gas supply valve fully open? (p. 35)
•
Are the
fi
xtures clean of debris and obs
tructions?
•
Check if the
fl
ow rate is too low. (p. 39)
Fluctua
tion
in hot
water temperature.
•
Is the gas line sized properly? (p. 23)
•
Is the supply gas pressure su
fficie
nt? (p. 24)
•
Check for cross c
onnection
between cold water lines and hot water lines.
Owner's Guide
