For Reference Only - 1 -GeneAmp PCR System 2400Coolant Replacement ProcedureThe GeneAmp PCR System 2400 Thermal Cycler requires routine maintenance whichcan be performed by the end user. This routine maintenance will improve theperformance of the instrument and may prevent more costly in-house repairs. Theprocedure described here is for the periodic checking of the coolant in the instrumentand the procedure for re-filling the coolant, should the need arise.Applied Biosystems service personnel can perform this procedure should you bereluctant to do so. This service requires the instrument to be shipped to our repairfacility and the user would be charged all fees associated with this procedure. Torequest a service repair of your instrument please call our Service Call Center at 1-800-831-6844.Applied Biosystems is not responsible for any damage to the machine, or its parts,during the performance of this procedure.