T70 1 maintenance tipsThis product is designed for use in an industrial environment that may shorten the product's lifespan. Usethese tips to maximize the lifespan of the product.• Use the hook/belt provided with the transmitter to prevent the transmitter from falling• Do not clean the transmitter with solvents or pressurized water; use a damp cloth or soft brush forcleaning• If the push buttons show signs of deterioration, contact the Authorized Technical Service for repair• Check if the battery contacts are correct, otherwise replace them.• Ensure that the product is supplied with AAA alkaline batteries or has a rechargeable battery• Be sure to recharge or replace battery regularlyMaintenance tips quick referenceT70 1 troubleshootingThe transmitter has status monitoring LED's which help identify irregularities. The most common signalsare contained in the table below:Color and frequency Pulse frequency Description ActionGreen | continuous Working OperateGreen | slow pulses Latency; no action has been taken for some time Press START to return to operationmodeRed | slow pulses Low battery signal Replace or recharge batteryRed | fast pulses EEPROM module missing or corrupt Check EEPROM and reprogram ifnecessaryRed | double pulses A maneuver is activated at transmitter start up process;may indicate hardware damage if no order is activeRelease maneuver or replacetransmitter if necessaryRed | continuous General hardware failure Replace transmitterUser ManualT70 1 TransmitterMaintenance© Danfoss | March 2019 BC300870271580en-000101 | 9