REMKO SuperTec-Monitor - Manual (Page 8)

If the condenser is switched off by
a protective device after a fault
has occurred, the LED display al-
ternates between showing the unit
address of the air conditioner in
question and the fault code.
LED display flashes when a fault
has occurred
Interval:
1 second
Address of the
malfunctioning
air conditioner Fault code
Display Description (during operation)
U1 Fault on the high pressure switch, 63H was triggered
U2 Hot gas temperature too high, lack of refrigerant
U3 Hot gas temperature sensor TH 4 detected open circuit /short-circuit
U4 Temperature sensor TH3, TH6, TH7, TH8 in outdoor unit detected open circuit/short-circuit
U5 Cooling fin temperature sensor detected open circuit/short-circuit
U6 Fault in the power module (inverter)
U7 Overheating fault; hot gas temperature too low
UF Condenser stopped due to overcurrent (condenser disabled)
UH Fault on the current sensor
UL Fault on the low pressure switch, 62L was triggered
UP Condenser stopped by overcurrent
A0-A7 Data transmission fault: priority signal on the M-net
Display Description (during operation)
F3 Connector 63L (red) is disconnected
F5 Connector 63H (yellow) is disconnected
F9 Both connector 63L and 63H are disconnected
E8 Data transmission fault: outdoor unit is not receiving any signals from the indoor unit
E9 Data transmission fault: outdoor unit is not transmitting any signals to the indoor unit
EA Wiring fault in the interior/exterior control cables: too many indoor units (max. 4)
Eb Wiring fault in the interior/exterior control cables: polarity reversed, cable detached
Ec Timeout on system startup
E0-E7 Data transmission fault: other without outdoor unit
REMKO SYSTEM MONITOR
FOR REMKO SUPERTEC INVERTER
8