IKONIC Tankless Water Heater Service Manual
65
NOTIFICATION T113
EXPLANATION
The water heater is detecting that the flow rate is less
than 0.4 GPM, and the heater will not activate. The water
heater displays the “T113” error code on the on the user
interface.
This water heater needs a minimum 0.4 GPM flow rate to
activate the water heater.
To check the water flow rate through the unit, refer to
section “Tankless Status”.
Diagnostic check items
• Not enough water flow
• Water supply line (Hot and Cold)
• Water lter
Check method
1. Your water lines might be crossed. Make sure your
hot and cold water supply lines are connected to the
appropriate hot and cold water connections on the
unit.
2. The water lines in the unit may be blocked by scale.
Drain and flush the unit. To flush the unit, refer to sec-
tion "Error A018".
3. Your water flow may be restricted by a dirty In-Line
Water Filter. Remove the water lter and inspect.
Clean if necessary.
4. The water flow sensor may have a blockage. Remove
the water control valve and clean if necessary.
5. Possible plumbing cross-over in the home. Turn OFF
hot water valve to the water heater. Go to each water
xture in the home and turn ON the hot water ONLY
(test washing machine by setting it to hot ONLY). If
water flows freely through the hot water side of the
xture, this is a plumbing crossover. HINT: During
this test, to prevent scalding, pressure-balancing
valves on single-handle xtures will not allow any
water to flow if there is a plumbing crossover.
6. Water flow might be too low. Open multiple hot water
xtures. If unit res then there is not enough water
flow to engage the unit at a particular xture. Check
your xture aerator screen(s) for debris. Clean if nec-
essary. FOR RECIRCULATION LINES: check pump
size, aqua-stat, check valve, and operation.
ERROR CODE DIAGNOSTICS
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