Installation / Operation Instruction Manual

53
Problem solving
RTG-K-199/160N/X2 – 6 720 813 642 (2022/06)
CA Water flow above 9.2gpm. ▶ Disconnect the appliance and purge hydraulic
circuit to remove air.
1)
▶ Install water flow restrictor.
1)
▶ Check water pressure does not exceed
150psi.(section 3.2).
CE Excessive flue blockage detected during operation
due to excessive pressure on the siphon.
Appliance shuts down for safety.
▶ Reset error (press and hold on/off button for 3
seconds).
If the problem persists:
▶ Check air openings and exhaust opening for
obstructions and reset the error.
▶ Check if the air filter is dirty or clogged.
▶ Perform gas and air tuning ( section 8.11).
1)
▶ Contact Bradford White support line for additional
information and assistance in case of installation
in dusty areas.
CF Excessive flue blockage detected during operation
due to insufficient combustion air.
Appliance shuts down for safety.
▶ Reset error (press and hold on/off button for 3
seconds).
If the problem persists:
▶ Check air openings and exhaust opening for
obstructions and reset the error.
▶ Check if the air filter is dirty or clogged replace it if
needed.
▶ Perform gas and air tuning ( section 8.11).
1)
▶ Contact Bradford White support line for additional
information and assistance in case of installation
in dusty areas.
E0 Electronic control unit internal error. ▶ Reset error (press and hold on/off button for 3
seconds).
If the problem persists:
▶ Replace electronic control unit.
1)
E1 Hot water temperature above 194 °F (90 °C).
Appliance burner cut off to prevent scalding and
reactivation after cooling down.
▶ Disconnect the appliance and purge hydraulic
circuit to remove air.
If the problem persists:
▶ Reduce setpoint temperature to minimize
temperature instabilities.
E3 Flue temperature above 167 °F (75 °C) or 2
minutes above 145 °F (63 °C).
Appliance burner cut off to prevent overheating.
▶ Descale appliance ( section 7.3).
1)
▶ Reset error (press and hold on/off button for 3
seconds).
If the problem persists:
▶ Check sensor resistance [15] (section 11) and
replace the sensor if it is not according to
specification.
1)2)
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