User manual

7 Operation

30 Rittal enclosure cooling unit

Internal fan Alarm 1 1 The fan in the internal circuit of your cooling unit is blocked. Please check

if you can see a blockage and remove it. If no blockage is visible, please

replace the fan in the internal circuit. The required spare part may be or-

dered directly from Rittal using the Blue e+ app. Please use the contact

form "Generate service order".

Internal fan Alarm 2 1 The fan in the internal circuit of your cooling unit is defective. Please re-

place the fan in the internal circuit. The required spare part may be or-

dered directly from Rittal using the Blue e+ app. Please use the contact

form "Generate malfunction report".

External fan Alarm 1 1 The fan in the external circuit of your cooling unit is blocked. Please check

if you can see a blockage and remove it. If no blockage is visible, please

replace the fan in the external circuit. The required spare part may be or-

dered directly from Rittal using the Blue e+ app. Please use the contact

form "Generate service order".

External fan Alarm 2 1 The fan in the external circuit of your cooling unit is defective. Please re-

place the fan in the external circuit. The required spare part may be or-

dered directly from Rittal using the Blue e+ app. Please use the contact

form "Prepare malfunction report".

Inverter cooler – The cooling body of the inverter in your cooling unit is dirty. Please re-

move the filter grille and the cover at the front and clean the cooling body,

e.g. using compressed air.

The error message will terminate automatically approximately 30 sec-

onds after it has been resolved.

Compressor defective 2 The compressor in your cooling unit is reporting a malfunction. Please

contact the Rittal Service team immediately.

Sensor xx defective 1 Sensor xx in your cooling unit is reporting a sensor failure. Please contact

the Rittal Service team.

Ext. sensor missing 1 The external sensor is not connected or has a malfunction. Please check

the connection or select another control mode.

Check voltage 1 You are operating your cooling unit outside of the admissible voltage

ranges. Please check the power supply to the cooling unit and observe

the specifications on the rating plate. With a three-phase infeed, please

also check that all three phases are correctly connected.

Electronic fault 2 The electronics in your cooling unit are reporting an electronic fault.

Please contact the Rittal Service team.

Check parameters – Due to an error, the cooling unit has been reset to the factory defaults.

Please check the current messages or contact your Rittal Service team.

Inverter fault 2 The inverter in your cooling unit is reporting a malfunction. Please contact

the Rittal Service team.

System message Alarm relay output

(factory setting)

Troubleshooting measures/solutions

Tab. 15: Error messages