498198 IV Smart EC Series OIPM

498198
16 | IV Smart EC / Modbus
◊ Operation may only be carried out by adequately qualied persons, see Table 1: Qualications.
◊ The device may only be operated by people who understand the function and risks and can act accordingly.
◊ Abide by the system-related conditions and requirements of the system manufacturer or plant constructor.
10.2 Preconditions
◊ Ensure access only to persons who can safely handle the device.
◊ Only use the fan in accordance with the operating instructions and the operating instructions for the motor.
◊ Safety elements may not be dismantled, circumvented, or deactivated.
11 Troubleshooting, Maintenance, & Repair
11.1 Safety information
◊ Troubleshooting/maintenance/repair may only be carried out by adequately qualified persons, see Table 1: Qualifications.
◊ Wear protective equipment during all work in the vicinity of the fan, see 2.2 Personal protective equipment.
◊ Observe the 5 rules of electrical safety, see 2.3 Five rules of electrical safety.
◊ Observe and respect local conditions, regulations, and laws.
◊ Abide by the system-related conditions and requirements of the system manufacturer or plant constructor.
11.2 Troubleshooting
Table 4: Troubleshooting
Problem Possible causes Remedy
Fan does not run smoothly Impeller imbalance Rebalancing by a specialist , otherwise contact Systemair
Soiling on the rotor Clean carefully, rebalance
Material decomposition on the
rotor due to aggressive material
conveyed
Contact Systemair
Impeller rotates in wrong
direction
Contact Systemair
Air output of fan too low Impeller rotates in wrong
direction
Contact Systemair
Incorrect wiring or control
settings
Contact Systemair
Intake/pressure paths blocked Remove blockage
Thermal protections have
triggered
Motor overheated Contact Systemair
Impeller rotates in wrong
direction
Contact Systemair
Fan does not reach nominal speed Building control settings Correct the settings of building controls
Defective motor wiring Contact Systemair
Improperly aligned drive motor Contact Systemair
Faulty control signals Check control signal wiring and verify signal value at the fan
Mechanical blockage Remove the blockage
Motor does not rotate Incorrect supply voltage Check the supply voltage, re-establish the voltage supply
Faulty connection Disconnect from the power supply, correct the connection, see
circuit diagram
Ambient temperature too high Check if the correct fan is used for your application
Faulty control signals Check control signal wiring and verify signal value at the fan
Temperature monitor has
responded
Allow the motor to cool down, nd and resolve the cause of
the fault