Rotex HPSU compact 304 Installation And Maintenance Manual

8 x Errors, malfunctions and messages
FA ROTEX HPSU compact 4 - 06/2015
53
E9030 L4
Defekt elektrisch
Temperature sensor R10T
on the inverter board in the
heat pump exterior unit
(only in 11-16 kW
systems)
Excess temperature in the heat pump exterior unit
– Very high external temperature.
– Insufficient cooling of the inverter board.
– Air suction inlet contaminated / blocked.
– Inverter board in the heat pump exterior unit defective.
– Temperature sensor on inverter board defective, plug connec-
tion X111A not correct.
Ɣ Check, correct cause, replace.
Ɣ If necessary contact ROTEX service technician.
E9031 L5
Overvoltage error in elec-
trical components
a) If the fault <15x occurs, the functional safety of the HPSU
compact still remains.
Î Sporadic message during the continuous self-monitoring
of the unit.
Ɣ No additional measures are required.
b) If the fault arises 15x, it acts as a lock and can have the fol-
lowing causes:
– Current mains overvoltage.
– Coolant compressor blokced or defective.
– Inverter board in the heat pump exterior unit defective.
– Cabling, poor contact.
– Service valve in the heat pump exterior unit not open.
Ɣ Check, correct cause, replace.
Ɣ If necessary contact ROTEX service technician.
E9032 L8
Electrical components
– Coolant compressor defective.
– Inverter board in the heat pump exterior unit defective.
Ɣ Check, replace.
Ɣ If necessary contact ROTEX service technician.
E9033 L9
– Coolant compressor blokced or defective.
– Before starting the coolant compressor, pressure difference
between the high and low pressure sides too high.
– Service valve in the heat pump exterior unit not open.
Ɣ Check, correct cause, replace.
Ɣ If necessary contact ROTEX service technician.
E9034 LC
Communication error - Internal communication in the heat pump
exterior unit disrupted
– Electromagnetic influences.
Ɣ Perform reset.
– Main board in the heat pump exterior unit defective.
– Inverter board in the heat pump exterior unit defective.
– Ventilator motor defective.
– Cabling, poor contact.
Ɣ Check, correct cause, replace.
Ɣ If necessary contact ROTEX service technician.
E9035 P1 Platine AG defekt
Inverter board in the heat
pump exterior unit
– No supply voltage from the mains connection.
– Inverter board in the heat pump exterior unit defective.
Ɣ Check, correct cause, replace.
Ɣ If necessary contact ROTEX service technician.
E9036 P4 Defekt elektrisch
Temperature sensor R10T
on the inverter board in the
heat pump exterior unit
(only in 11-16 kW
systems)
Excess temperature in the heat pump exterior unit
– Inverter board in the heat pump exterior unit defective.
– Temperature sensor on inverter board defective, plug connec-
tion X111A not correct.
Ɣ Check, correct cause, replace.
Ɣ If necessary contact ROTEX service technician.
E9037 PJ
Einstellung Leis-
tung
Power setting for the heat
pump exterior unit incor-
rect
Ɣ Contact a ROTEX service technician.
Code Malfunction /
Error messageg
Component/Designation Causes and possible error correction
Display Internal

Rotex HPSU compact 304 Specifications

General

Brand	Rotex
Model	HPSU compact 304
Category	Controller
Language	English