Localized temperature therapy systems · T/PUMP family

Gaymar TP600 & TP700: troubleshooting and error codes

The ServiceForge knowledge base holds 13 documented symptoms for the Gaymar TP600 & TP700, with 29 ranked causes, 11 diagnostic checks with test points and expected values, and 0 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Warning indicator flashing and audible alarm beeping caution

LED warning indicator flashes and unit beeps audibly, signaling alarm or test condition

Ranked causes

1. High heat setpoint (107°F / 42°C) or cooling setpoint (50°F / 10°C) selected (common)
2. Loss of power during therapy mode (power failure) (occasional)
3. Unit timing 20- or 30-minute on/off cycle (TP700 Series) (common)
4. Unit entering or leaving Lock mode (TP700 Series) (common)
5. Safety Circuit Function Test started (occasional)
6. Setpoint outside body temperature range selected (occasional)

6 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Flow indicator light on

Flow indicator illuminated, signaling water flow restriction to pad or hose

Ranked causes

1. Water flow restricted to pad or hose (common)
2. Clamp is closed on line (common)
3. Water level low or reservoir empty (common)
4. Water temperature too hot (occasional)

4 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

T/Pump will not cool caution

Unit fails to cool fluid to therapy temperature

Ranked causes

1. Reservoir empty (common)
2. Flow blocked (common)
3. Ice depleted in cooling water line (common)

First check

Check reservoir water level

Test point: Reservoir
Expected: Filled to proper level

2 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

T/Pump will not heat caution

Unit fails to heat fluid to therapy temperature

Ranked causes

1. Reservoir empty (common)
2. Flow blocked (common)
3. Therapy cycle off (common)

First check

Check reservoir water level

Test point: Reservoir
Expected: Filled to proper level

2 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Water leaks from hose connectors caution

Water escapes from connections between pump and pad or hose joints

Ranked causes

1. Damaged O-ring in connector (common)
2. Clik-Tite connector locking ring not snapped into place (common)
3. Quick disconnect not seated properly (occasional)

First check

Visually inspect connector O-ring

Test point: Clik-Tite connector O-ring
Expected: O-ring intact and seated

2 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Temperature Setpoint light blinking

Temperature setpoint indicator light is blinking

Ranked causes

1. Unit is warming up to the selected setpoint (common)
2. Unit is in Cooling mode for longer than 40 minutes (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Warning indicator on with unit in Standby mode caution

Warning light illuminated while unit is in Standby mode

Ranked causes

1. Unit shut down in over-temperature condition (common)
2. Safety Circuit Function Test completed successfully (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Both temperature and therapy cycle setpoint lights blinking

Temperature and therapy cycle indicator lights flash continuously on TP700 series

Ranked causes

1. Unit in off therapy cycle time (common)

First check

Verify therapy cycle status

Test point: Therapy cycle indicator
Expected: Blinking stops when cycle turns on

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Flow indicator and Standby indicator on with T/Pump not pumping patient safety

Flow and Standby lights illuminated but pump is not delivering fluid

Ranked causes

1. Unit detected Flow warning for more than 5 minutes and went to standby (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

T/Pump running with Standby light on

Pump operates while Standby indicator is illuminated

Ranked causes

1. Safety Circuit Function Test has started (occasional)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Temperature or therapy time buttons do not work

Control buttons for temperature or therapy time setting are non-responsive on TP700 series

Ranked causes

1. Buttons locked (common)

First check

Attempt to unlock buttons

Test point: Lock button
Expected: Buttons become responsive

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Unit does not pump

T/Pump runs but no fluid circulates through pads or hoses

Ranked causes

1. Water level low or reservoir empty (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Unit does not turn on

T/Pump fails to power up when switch activated

Ranked causes

1. Power cord not plugged into grounded hospital receptacle (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.