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HELP MENU
The system contains a Help Menu which may be accessed through the control panel. To access the Help
Menu, press and release the
M
button until the faceplate displays “HELP”. Scroll through the menu by
pressing either the up or the down arrow button.
Display
Reading Description
Fxxx
Firmware Version Number - Indicates the version of software installed.
O xx
Outdoor Temperature - Indicates current outdoor temperature as recognized by the system.
tL:xx
Target Level - Indicates the percentage of brick core charge level the system is targeting.
During peak periods the value displays as “tL_”.
CL:xx
Charge Level - Indicates the percentage of heat storage currently in the brick core.
HE x
Heating Elements Active - Indicates number of heating elements currently energized.
PC x
Power Line Carrier Channel - Indicates the channel on which the system is set to receive PLC
communication signal.
P x
Power Line Carrier Net Hit Rate Percentage - Indicates the percentage of “GOOD”
communication packets received by the system from the PLC transmitter system.
PS x
Indicates which Specialty Timer the system is currently using. The value displayed will be
zero if the Specialty Timer is not being utilized.
CC_x
Charge Mode Operation - Indicates the charge control method being utilized during off-peak
periods.
CA_x
A-Peak Mode Operation - Indicates the charge control method being utilized during
anticipated peak periods.
C1_x
Specialty Timer #1 Charge Mode - Specialty Applications Only.
C2_x
Specialty Timer #2 Charge Mode - Specialty Applications Only.
HUxx
Heat Usage - Indicates the amount of input being dissipated by the system.
A_xx
Target Discharge Air Temperature - Indicates the discharge air temperature that the system
is targeting.
cxxx
Compressor Output Relay Delay Timer - Indicates time remaining before heat pump
compressor is energized. “c ON” indicates the heat pump is energized.
o
xxx
Forecasted Outdoor Temperature - Usually from the GETS device, this temperature is sent
via RS232 communication and is used for core charging. It is not used for 9100 discharge
water temperature targeting or heat pump compressor control in L046/L047.
ERROR CODES
The system has an on-board diagnostic system to monitor various operating conditions. If operating
conditions move outside the normal operating range, an error code is displayed on the faceplate. If there
are multiple errors simultaneously, only the highest priority error code appears. Once corrected, the
next highest priority code will be displayed on the faceplate as “Er—” (i.e., Er05).
WARNING
HAZARDOUS VOLTAGE: Risk of
electric shock, injury, or death.
System may be connected
to more than one branch
circuit. Disconnect power to
all circuits before servicing.
Equipment must be serviced
by a qualified technician.
Error Code Description
01
Currently not utilized.
02
Currently not utilized.
03
Er03 is an error message which will not generally
appear on the 5100, 7100, or 9100 Series Steffes
heating systems. If an Er03 is displayed, check the
value in Location 35 (L035) to verify that the 2 bit has
not been enabled.
