Service Menu Parameters
73
Figure 58 Diagnostics / service mode parameters screen - Page 1
HP 1 Alarm Code
—Compressor 1 high pressure alarm code.
HP 2 Alarm Code
—Compressor 2 high pressure alarm code.
HT 1 Alarm Counter
—Compressor 1 high temperature event alarm counter. If more than
fiveevents in a rolling 4 hour period occur then the compressor will be locked out.
HT 2 Alarm Counter
—Compressor 2 high temperature event alarm counter. If more than five
events in a rolling 4 hour period occur then the compressor will be locked out.
LP 1 Alarm Code
—Indicates which phase compressor 1 is operating in. For more information on
this refer to the Liebert iCOM Training and Service manual’s low pressure transducer flow chart.
LP 2 Alarm Code
—Indicates which phase compressor 2 is operating in. For more information on
this refer to the Liebert iCOM Training and Service manual’s low pressure transducer flow chart.
Actual LP1 Pressure
—Current refrigerant low pressure side reading in atmosphere for
Compressor 1.
Actual LP2 Pressure
—Current refrigerant low pressure side reading in atmosphere for
Compressor 2.
Actual HP1 Pressure
—Current refrigerant high pressure side liquid reading in atmosphere for
Compressor 1. (This is available only on water cooled units equipped with motorized ball valves.)
Actual HP2 Pressure
—Current refrigerant high pressure side liquid reading in atmosphere for
Compressor 2. (This is available only on water-cooled units equipped with motorized ball valves.)
DIAGNOSTICS / SERVICE MODE (page 1 of 7)
to change parameter
to confirm
to select parameter
for next/previous unit
then
PASSWORD (Actual Level 0)
????
HP 1 Alarm Code
0
HP 2 Alarm Code
0
HT 1 Alarm Counter
0
HT 2 Alarm Counter
0
LP 1 Alarm Code
0
LP 1 Alarm Code
0
Actual LP1 Pressure
psia
Actual LP2 Pressure
psia
Actual HP1 Pressure
psia
Actual HP2 Pressure
psia
S301
S302
S303
S304
S305
S306
S307
S308
S309
S310
S311
UNIT 01
Summary of Contents for Liebert Challenger 3000
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