Installation / Operation Instruction Manual

67
Problem solving
RTG-L-199/160N/X1 – 6 721 827 274 (2022/06)
E3
4)
Flue gas 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)
E4 Air temperature inside cabinet above 176°F (80°C)
or 2 minutes above 158 °F (70 °C).
Appliance burner cut off to prevent overheating.
▶ Check for flue gas leakage inside the cabinet or
concentric vent.
1)
▶ Reset error (press and hold on/off button for 3
seconds).
If the problem persists:
▶ Check sensor resistance [18] (section 11)
and replace the sensor if it is not according to
specification.
1) 2)
E5 Condensing unit flue gas temperature above 428 °F
(220 °C) or 2 minutes above 392 °F (200 °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 [16] (section 11)
and replace the sensor if it is not according to
specification.
1) 2)
E7 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)
E8 Error during ionization test. Electronic control unit
internal error.
▶ Replace electronic control unit.
1)
E9 Thermal fuse [13] broken. ▶ Replace thermal fuse.
1)
EA
4)
Ignition failure. ▶ Check gas inlet pressure ( section 4.14).
1)
▶ Perform gas and air tuning ( section 8.11).
1)
EB 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)
EC
4)
Flame lost during operation. ▶ Check gas inlet pressure ( section 4.14).
1)
▶ Perform gas and air tuning ( section 8.11).
1)
EE Gas valve modulation solenoid [7] disconnected. ▶ Check gas valve wire connection.
1)
If the problem persists:
▶ Replace the gas valve and/or wire connections
and/or electronic control unit. For gas valve
replacement perform gas and air tuning (
section 8.11).
1)
EF Wrong gas connected (LP instead of NG) for current
appliance configuration.
▶ Check gas type ( section 6.7).
1)
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