Emerson Copeland OLE-49, Инструкции по применению

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AGL_Unit_LOCU_EN_Rev00 45
Code Description Cause Action Reset
L27 Overvoltage lockout
Overvoltage happened
H17 times within one
hour
The compressor will lock out (if H17
equal to 0, no compressor lockout)
Hold "start" button for 5 sec or manual power off
and on (if H17 equal to 0, compressor
automatically start when voltage is back within
acceptable range and H16 delay time-out)
E28
No current detected on
compressor # 1
Alarm
Automatically as soon as electrical current
detected
L29 Frequency error
Detection of wrong
f requency
The compressor will trip and lockout Manual power on and power off
E30 Main power lost
Controller power supply
lost
Warning signal only Restore power supply
E31 Overcurrent compressor # 2
Electrical current higher
than H09 setting
The compressor will trip Automatically: H08 delay time-out
L31 Overcurrent lockout compressor # 2
Overcurrent happened
H11 times within one
hour
The compressor will lock out (if H11
equal to 0, no compressor lockout)
Hold "start" button for 5 sec or manual power off
and on (if H11 equal to 0, compressor starts
automatically after H08 delay time-out)
E32
No current detected on
compressor # 2
Alarm
Automatically as soon as electrical current
detected
E33-E39 Reserved
E40 High-pressure switch
High-pressure switch
open
The compressor will trip
Automatically as soon as high-pressure switch
closed and D14 delay time-out
L40 High-pressure switch lockout
High-pressure switch
open error happened
D15 times within one
hour
The compressor will lock out (if D15
equal to 0, no compressor lockout)
Hold "start" button for 5 sec or manual power off
and on (if D15 equal to 0, compressor starts
automatically when high-pressure switch closed
and D14 delay time-out)
E41 Low-pressure switch
Low-pressure switch
open
The compressor will trip
Automatically as soon as low-pressure switch
closed and D28 delay time-out
E43 Low-pressure alarm
Digital compressor
main configuration:
suction pressure is
lower than D29 f or D12
seconds
Warning signal only
Suction pressure exceeds parameter D29 or
cut-out value
E44
Discharge line temperature alarm
compressor # 1
Discharge line
temperature higher
than D22 f or D24
seconds
The compressor will trip
Automatically as soon as discharge line
temperature lower than D23 setting and D25
delay time-out