Installation Instructions

39
TROUBLESHOOTING
General
PROBLEM SOLUTIONS
TEMPERATURE and AMOUNT OF HOT WATER
The water is not hot
enough.
The water is too hot. • Is the set temperature set too high?
The hot water is not
available when there
is a call for heat.
• Compare the flow and temperature.
• Check cross plumbing between cold water lines and hot water lines.
• Is the gas supply valve fully open?
• Is the gas line sized properly?
• Is the gas supply pressure sufficient?
• Is the set temperature set too low?
The hot water turns
cold and stays cold.
Fluctua
in hot
water temperature.
• 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
on turned on?
• Is the gas supply valve fully open?
• Is the water supply valve fully open?
• Is the unit frozen?
• Is ther e enough gas in the t ank / cy linde r? (For Propane models)
• Is the flow rate enough to keep the micro-boiler running?
• Is the gas supply valve fully open?
• Are the fixtures clean of debris and obs
• Check if the flow rate is too low.
• Is the gas line sized properly?
• Is the supply gas pressure sufficient?
• Check for cross c
between cold water lines and hot water lines.