Service; Table - Lennox LGH 036 Installation Instructions Manual

SERVICE Menu Interface
From the DISPLAY mode, press
scroll to SERVICE. Next, press
menu. Use until desired item is displayed.
TEST

SERVICE

OFFLINE
Use
IN/OUTPUTS
arrows
to
REPLACE
move
SOFTWARE
RECOVERY
Using SERVICE, you may run tests that check a functional
operation (e.g. HEATING) or you may run tests that single
out a system component for checking. The diagram that
follow in this section show how to navigate through the
system to access service and test functions.
When the list of tests appears, use the up/down arrows until
the test you want to run appears. Then press the SELECT
BUTTON to begin running the test.
SERVICE > TEST
In the SERVICE menu, use
Press to enter the TEST menu.
GUIDED
TEST
BLOWER
FANS
COOL
Use
HEAT
arrows
to
DAMPER
move
REHEAT
SENSORS
OUTPUTS
CONTROLLER
Using the TEST menu, the service technician may run a
sequence of tests to gather information available while that
component is turned on. The unit will return to normal mode
when leaving the TEST menu. See table 4 for details.
Any Status/Alarm codes found during testing will be logged to
the event history.
Upon exit from TEST mode, the unit will return to normal
operation if no key is pushed for 1 hour.
SERVICE > OFFLINE
In the SERVICE menu, use
Press to enter the OFFLINE menu.
OFFLINE LOCKOUT
BLOWER ONLY
Use COOLING ONLY
arrows
to
HEATING ONLY
move
RESET
and then use
to enter the SERVICE
until TEST is displayed.
See table 4
(Page 12]) for details
of TEST menu.
until OFFLINE is displayed.
UNIT LOCKED OUT
M2 RESET
to SERVICE > IN / OUTPUTS
In the SERVICE menu, use
displayed. Press
IN/OUT­
THERMOSTAT
PUTS
ZONING
SENSORS
Use
arrows
to
move
RELAYS
NETWORK
SERVICE > REPLACE
In the SERVICE menu, use REPLACE to reset the runtime
counters for the listed device when a new hardware
component has been installed in the system.
Use until REPLACE is displayed. Press
REPLACE menu. Select one of the listed options and press
;this will reset the runtime for the new part to zero.
REPLACE
FILTER
BE;T
UV LAMP
Use
arrows
FANS
to
move
BLOWER
COMPRESSOR
SERVICE > SOFTWARE RECOVERY
In the SERVICE menu, use SOFTWARE RECOVERY to
update firmware (see USB Firmware update Page 2).
Page 11
until IN / OUTPUTS is
to enter the IN / OUTPUTS menu.
ON/OFF INPUT
TSTAT FROM G, W1, W2,
Y1, Y2, OCP
BLOWER
BL SPEED RPM
SPEED
DAMPER
(OPEN/CLOSED)
POS
OAT:XXF
RAT:XXF (SENSED
DAT"XXF TEMPERATURES)
Use
ZAT:XXF
arrows
to
IAQ (PPM) XXX
move
SMK:XXX ON/OFF
RH:XX% REL. HUM.
OE:XXMA (OUTDR. ENTH)
IE:XMA (INDR ENTH)
GLO:XXX ON OR OFF
DI2:XXX ON/OFF
DI3:XXX ON/OFF
DI4:XXX ON/OFF
COMP C1-C4 ON/OFF
SVC RL RLY ON/OFF
HUMIDITROL RV1-RV2 ON/OFF
Use
arrows
EXHAUST EX1-EX2 ON/OFF
to
move
BLOWER BL ON/OFF
FAN F1 - F6 ON/OFF
TO RESET
XXXXX
RUNTIME
COUNTER
RESET
PRESS
WHERE
XXXXX IS
THE
SELECTED
ITEM
SERVICE
to enter the