Maha Energy IW7 WB / WBV, IW4 WB / WBV manual Description of Error Codes, General Error Codes

Maintenance, Error Codes IW4/IW7 WB/WBV

4.2Description of Error Codes

When problems occur with the operation of the IW4/IW7 WB/WBV (4WD) a "defect code" will appear. This code can be read on the pointer of the small measurement range. All defect codes (except 33) can be acknowledged using the POWER ON key or the '*' key on the remote control.

E.g. defect code 32 will appear as follows:

3 kN on the left hand display

2 kN on the right-hand display

Fig.. 4-2: Analog display of an error code

4.3General Error Codes

Error Code		Description	Remedy
20		Right-hand motor protection switch is	Press right-hand and/or left-hand motor
		set to 'Aus'/'OFF'	protection switch again. Switch main switch off
21		Left-hand motor protection switch is set	and then on again and press Power-On button.
		to 'Aus'/'Off'	Contact the MAHA-Service Dept.
22		Right and left-hand protection switch is	ATTENTION !	Possible damage to the motors.
		set to 'Aus'/'Off'
32 *)		Left-hand proximity switch is defective	Check proximity switch to make sure switch
		or	distance and connections have proper contact.
		connection to the printed circuit board	Contact MAHA-Service Dept.
		of the test stand is disturbed	ATTENTION ! Exit support is out of order!
34 *)		Right-hand proximity switch is defective	Check proximity switch to make sure switch
		or	distance and connections have proper contact
		connection to the printed circuit board	ATTENTION !	Exit support is out of order!
		of the test stand is disturbed
*)	Error Codes 32 and 34:

Error messages can be acknowledged with the 'Power ON' key. Afterwards the pointers of the analog display got to zero and the test stand is ready for testing again. Pay attention that the exit assistance is no longer activated and that no slip monitoring takes place on the defective side!

30 D1 0412BA1-GB04