Emerson Copeland OMTE-76D Application Manuallines page 50

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