XXVI.Clerical Error Waiver:In the event the Buyer at any time discovers that any of the documents executed in connection with this transaction contain an error caused by clerical mistake, calculation error, computer malfunction, printing error or similar error, all parties agree, upon notice from the Buyer, to re-execute any documents that are necessary to correct such error(s).

What if appliance really malfunctions for no fault of tenant due to age of appliance?

I mean I do understand if there is negligence or something like a a malfunctioning boiler which pushed temps to 120 degrees, but many places have no AC.

I like the lock but there was an A/C vent right next to the door and we had condensation issues with the locks getting wet inside and malfunctioning.

Tenant also agrees to report immediately and in writing to Landlord any of the following: a.evidence of a water leak or excessive moisture in the dwelling unit or on premises.b.evidence of mold that cannot be removed with a common household cleaner; c.failure or malfunction in heating, ventilation or air conditioning; and d.inoperable doors or windows.

. - a home can pass an inspection but once someone is living in it and putting daily stress on the house (turning faucets on, light switches, turning on heat/AC etc), things can start to malfunction.

Tenant agrees to allow Landlord timely access to premises to do maintenance and repair.Tenant will notify Landlord in a timely manner of any damages or problems as they arise, including damages caused by Tenant, malfunction of appliances or fixtures, and water/moisture leaks and spots.Tenant will care for the premises, keeping them clean and clear of debris.""

His approach to managing his own properties is that he has paid for all his tenants' first time offenses and given them a stern warning that if it occurs again they have to pay 100% of the costs, if the broken/malfunctioning component is their fault their next time.  

It blows colder than 80, but sometimes during extreme heat it AC's can malfunction due to the maximum capacity it's working tech said the AC will over heat in extreme heat.

Are you certain that the stove had malfunctioned and couldn't be reasonably repaired?