6 720 816 815 (2018/08) Greentherm T9800 SE 160/199 | SEC 199
62 | Problem solving
CE Flue blockage detected during operation due to
excessive pressure on the siphon.
▶ Reset error (touch and hold on/off button for 3
seconds).
If the problem persists:
▶ Check exhaust pipes and terminals for obstructions
and reset the error.
▶ Check if flue length is according to specification
(section 4.6) and reset the error.
▶ Perform gas and air tuning ( section 8.11).
1)
CF Flue blockage detected during operation due to
insufficient combustion air.
▶ Reset error (touch and hold on/off button for 3
seconds).
If the problem persists:
▶ Check air intake and exhaust pipes and terminals for
obstructions and reset the error.
▶ Check if flue length is according to specification
(section 4.6) and reset the error.
▶ Perform gas and air tuning ( section 8.11).
1)
E0 Electronic control unit internal error. ▶ Reset error (touch and hold on/off button for 3
seconds).
If the problem persists:
▶ Replace electronic control unit.
1)
E1 Hot water temperature above 194 °F.
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 gases temperature above 167 °F (residential)
/ 194 °F (commercial) or 2 minutes above 145 °F.
Appliance burner cut off to prevent overheating.
▶ Descale appliance ( section 7.3).
1)
▶ Reset error (touch 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 or 2
minutes above 158 °F.
Appliance burner cut off to prevent overheating.
▶ Check for flue gas leakage inside the cabinet or
concentric vent.
1)
▶ Reset error (touch 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 gases temperature above
428 °F or 2 minutes above 392 °F.
Appliance burner cut off to prevent overheating.
▶ Descale appliance ( section 7.3).
1)
▶ Reset error (touch 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)
Display Description Solution
Table 27
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