Using Hot Water - Rheem 3805 Series Owner's Manual And Installation Instructions

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Using Hot Water

Failure
No hot water or
insufficient hot water
TPR valve draining
P a g e | 22
circuit failure
Ambient sensor cable
open or short circuit
failure
Loose connection
between the remote
control and main
board.
Water volume is not
enough and water
temperature is too
high.
Refrigerant overcharge Refer to refrigeration technician.
Non-condensing gas in
system
TX valve setting
Ambient temperature
is too low and the inlet
water temperature is
too low
Lack of refrigerant
Refrigerant blockage
TX valve setting
Heavy dust/debris
build-up on
evaporator.
Possible reason
No power supply
Excessive draw of hot
water
Water heater
component failure
It is normal for 3-5% of
tank volume to be
discharged everyday
as necessary.
Check ambient sensor cable; make sure it is plugged
in and lead is not severed. Repair or replace sensor
cable as necessary.
Repair/replace remote connection cable.
Ensure tank is full of water; decrease the water
temperature setting.
Refer to refrigeration technician.
Refer to refrigeration technician.
Auxiliary heating required.
Refer to refrigeration technician. Check pipe work, TX
valve.
Refer to refrigeration technician. Clean pipe work and
replace dryer/filter.
Refer to refrigeration technician.
Clean the evaporator fins.
No power supply, connect power supply.
Over-temperature device activated; determine cause
and manually reset.
Wait for heater to reheat tank.
Contact distributor to arrange repair.
Normal operation.
Solution