HTP · Boiler

SERVICE PUMP CH / DH / SH Pump service mode

Menu / mode display Elite EL

What the display is showing

Manual pump run for bleeding air: CH pump, then DHW pump, then system pump (cascade master only).

Applies to: EL-80, EL-110, EL-150, EL-220, EL-299, EL-399 (N/LP)

What to do

Press the down arrow and ENTER together for 1 second to start; use the arrows to step to the next pump; down and up together returns to normal

Models that show this code

12 models in Elite EL

EL-110 LPEL-110 NEL-150 LPEL-150 NEL-220 LPEL-220 NEL-299 LPEL-299 NEL-399 LPEL-399 NEL-80 LPEL-80 N

Other codes on the same units

GAS VALVE ON / RUN Ignition then run status
LOCKOUT Lockout (display message)
LOU 24 volt supply low
MAINTENANCE REQUIRED Service reminder
PP Control programmed
PRO Low water pressure
SERVICE RUN Test mode running
TT Temperature blocking - thermostat (TT) demand

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Source: Elite EL-80 N Installation Manual (LP-293), p. 50. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.