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5 DAY
FAN
EMER.
PUMP
AUX.
MALF.
TIME
FWD
SYSTEM
HEAT/EMER/OFF/
COOL/AUTO
SET
CLOCK
VIEW
PRGM
HOLD
COPY
TIME
BACK
FAN
ON-AUTO
ADV
DAY
VIEW
TEMP
RUN
PRGM
fer to heat pump manufacturer’s operating
manual). A continuous (non-flashing) PUMP
light indicates that the heat pump compres-
sor is functioning — a flashing PUMP light
indicates that the compressor is locked out.
AUX light indicates that the auxiliary system
is operating.
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EMER light indicates that the system is in
the emergency mode (the heat pump com-
pressor is off and the auxiliary heat system
is maintaining the setpoint temperature —
there is a 5- to 10-minute startup delay on
the first emergency cycle). MALF light indi-
cates a heat pump system malfunction (re-