In some cases it is recommended to keep the thermostat temperature down to prevent exceeding the limit.
Honeywell water heater gas control valve failure.
My honeywell water heater gas valve control is giving the 5 flash code sensor failure.
If you use the hot water which i now have to turn a little hotter than normal to get my desired temp then it eventually goes away and flashes normal operation 1.
Because gas is involved problems with gas valves are a major safety concern.
A bad gas valve in a honeywell appliance such as a water heater or furnace that is powered by natural gas can go bad and affect the performance of the unit.
Deliberately maliciously and probably under the pretense of safety.
Troubleshoot the honeywell gas valve and the thermostat.
A stuck valve could release gas into the air without regulation or the valve could cause the unit not to fire up at all.
Often blamed on sediment in the tank the 4 flashes is one of the most common problems with the honeywell gas valve.
5 replace gas valve this indicates a sensor failure and the gas control valve must be replaced.